| Inns | HS |
| 243-7 | 83 | Lancashire v Derbyshire | The Central Co-op County Ground, Derby | 2025 |
| 231-4 | 69 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2015 |
| 229-4 | 68 | Lancashire v Worcestershire | County Ground, New Road, Worcester | 2014 |
| 225-7 | 58 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2014 |
| 220-5 | 93 | Lancashire v Derbyshire | County Ground, Derby | 2009 |
| 219-6 | 75 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2022 |
| 218-5 | 94 | Lancashire v Worcestershire | Blackfinch New Road, Worcester | 2019 |
| 217-4 | 52* | Lancashire v Surrey | The Brit Oval, Kennington | 2005 |
| 217-7 | 55 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2025 |
| 216-8 | 38 | Lancashire v Durham | Seat Unique Riverside Ground, Chester-le-Street | 2024 |
| 216-3 | 95 | Lancashire v Nottinghamshire | Emirates Old Trafford, Manchester | 2025 |
| 213-5 | 66 | Lancashire v Yorkshire | Headingley, Leeds | 2022 |
| 208-4 | 75 | Lancashire v Yorkshire | Edgbaston, Birmingham | 2022 |
| 208-4 | 85* | Lancashire v Nottinghamshire | Emirates Old Trafford, Manchester | 2023 |
| 205-2 | 90* | Lancashire v Derbyshire | County Ground, Derby | 2005 |
| 204-7 | 55 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2016 |
| 201-4 | 49 | Lancashire v Hampshire | The Ageas Bowl, Southampton | 2013 |
| 201-3 | 94* | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2015 |
| 201-9 | 45 | Lancashire v Northamptonshire | Emirates Old Trafford, Manchester | 2024 |
| 200-3 | 62* | Lancashire v Worcestershire | County Ground, New Road, Worcester | 2016 |
| 199-5 | 66 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2021 |
| 198-6 | 88 | Lancashire v Worcestershire | County Ground, New Road, Worcester | 2010 |
| 197-3 | 83* | Lancashire v Derbyshire | The Incora County Ground, Derby | 2021 |
| 195-7 | 60 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2023 |
| 194-3 | 74 | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2014 |
| 193-5 | 62 | Lancashire v Warwickshire | Edgbaston, Birmingham | 2007 |
| 192-6 | 59 | Lancashire v Durham | Emirates Riverside, Chester-le-Street | 2017 |
| 191-5 | 63 | Lancashire v Leicestershire | Grace Road, Leicester | 2015 |
| 190-6 | 72 | Lancashire v Derbyshire | County Ground, Derby | 2011 |
| 190-5 | 94* | Lancashire v Leicestershire | Emirates Old Trafford, Manchester | 2018 |
| 189-7 | 73 | Lancashire v Derbyshire | Old Trafford, Manchester | 2005 |
| 189-3 | 65* | Lancashire v Durham | Emirates Old Trafford, Manchester | 2019 |
| 188-5 | 51* | Lancashire v Northamptonshire | Old Trafford, Manchester | 2011 |
| 188-6 | 50 | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2018 |
| 187-8 | 68 | Lancashire v Durham | Old Trafford, Manchester | 2010 |
| 187-3 | 58* | Lancashire v Northamptonshire | Emirates Old Trafford, Manchester | 2014 |
| 186-6 | 71* | Lancashire v Yorkshire | Headingley, Leeds | 2015 |
| 185-4 | 51 | Lancashire v Yorkshire | Emerald Headingley Cricket Stadium, Leeds | 2018 |
| 185-5 | 61 | Lancashire v Warwickshire | Emirates Old Trafford, Manchester | 2018 |
| 184-4 | 56* | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2016 |
| 184-9 | 42 | Lancashire v Somerset | The Cooper Associates County Ground, Taunton | 2021 |
| 183-6 | 44 | Lancashire v Essex | The Ford County Ground, Chelmsford | 2010 |
| 183-7 | 59 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2022 |
| 183-7 | 60 | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2022 |
| 183-5 | 47 | Lancashire v Derbyshire | The Incora County Ground, Derby | 2022 |
| 183-6 | 66 | Lancashire v Derbyshire | Edgbaston, Birmingham | 2023 |
| 182-8 | 50* | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2024 |
| 181-4 | 61* | Lancashire v Nottinghamshire | Stanley Park, Blackpool | 2022 |
| 181-6 | 58 | Lancashire v Worcestershire | Stanley Park, Blackpool | 2023 |
| 181-5 | 80 | Lancashire v Northamptonshire | County Ground, Northampton | 2025 |
| 180-4 | 89 | Lancashire v Durham | Riverside Ground, Chester-le-Street | 2007 |
| 180-6 | 54 | Lancashire v Durham | Old Trafford, Manchester | 2008 |
| 180-4 | 42 | Lancashire v Leicestershire | Grace Road, Leicester | 2010 |
| 180-2 | 54 | Lancashire v Leicestershire | Old Trafford, Manchester | 2012 |
| 180-8 | 39 | Lancashire v Yorkshire | Headingley, Leeds | 2023 |
| 179-4 | 83* | Lancashire v Durham | Emirates Durham International Cricket Ground, Chester-le-Street | 2010 |
| 179-6 | 60 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2014 |
| 179-7 | 39 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2024 |
| 178-4 | 80 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2012 |
| 178-5 | 82 | Lancashire v Derbyshire | Emerald Headingley Cricket Stadium, Leeds | 2020 |
| 178-7 | 55 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2022 |
| 178-6 | 44 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2025 |
| 177-8 | 55 | Lancashire v Warwickshire | Edgbaston, Birmingham | 2014 |
| 177-4 | 83 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2023 |
| 176-3 | 43* | Lancashire v Durham | Emirates Riverside, Chester-le-Street | 2016 |
| 176-4 | 61 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2017 |
| 176-9 | 44 | Lancashire v Derbyshire | The 3aaa County Ground, Derby | 2017 |
| 176-2 | 79 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2018 |
| 176-8 | 66 | Lancashire v Warwickshire | Emirates Old Trafford, Manchester | 2024 |
| 176-8 | 66 | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2025 |
| 175-1 | 83* | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2009 |
| 175-5 | 75 | Lancashire v Leicestershire | Grace Road, Leicester | 2011 |
| 174-5 | 61 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2017 |
| 174-8 | 80* | Lancashire v Warwickshire | Edgbaston, Birmingham | 2017 |
| 174-6 | 55 | Lancashire v Surrey | Emirates Old Trafford, Manchester | 2023 |
| 174 | 77 | Lancashire v Yorkshire | Headingley, Leeds | 2025 |
| 173-5 | 40 | Lancashire v Derbyshire | Old Trafford, Manchester | 2006 |
| 173-9 | 48 | Lancashire v Leicestershire | Aigburth, Liverpool | 2017 |
| 173-5 | 57 | Lancashire v Leicestershire | Fischer County Ground, Grace Road, Leicester | 2017 |
| 172-8 | 73* | Lancashire v Leicestershire | Emirates Old Trafford, Manchester | 2021 |
| 172-4 | 88 | Lancashire v Nottinghamshire | Emirates Old Trafford, Manchester | 2021 |
| 171-4 | 94* | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2021 |
| 171-8 | 61* | Lancashire v Yorkshire | Emerald Headingley Cricket Stadium, Leeds | 2021 |
| 170-5 | 92* | Lancashire v Worcestershire | Old Trafford, Manchester | 2010 |
| 170-5 | 62 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2013 |
| 170-6 | 43 | Lancashire v Yorkshire | Emerald Headingley Cricket Stadium, Leeds | 2019 |
| 169-3 | 76* | Lancashire v Derbyshire | The 3aaa County Ground, Derby | 2014 |
| 169-8 | 42 | Lancashire v Warwickshire | Emirates Old Trafford, Manchester | 2022 |
| 169-5 | 52* | Lancashire v Worcestershire | Visit Worcestershire New Road, Worcester | 2024 |
| 168 | 85 | Lancashire v Yorkshire | Headingley, Leeds | 2004 |
| 168-6 | 46 | Lancashire v Derbyshire | County Ground, Derby | 2012 |
| 167 | 44 | Lancashire v Leicestershire | Old Trafford, Manchester | 2008 |
| 167 | 38 | Lancashire v Yorkshire | Headingley, Leeds | 2011 |
| 167-9 | 79 | Lancashire v Derbyshire | The 3aaa County Ground, Derby | 2016 |
| 167-5 | 37 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2020 |
| 167-6 | 69 | Lancashire v Yorkshire | Emirates Old Trafford, Manchester | 2020 |
| 167 | 35 | Lancashire v Warwickshire | Edgbaston, Birmingham | 2025 |
| 166-5 | 64* | Lancashire v Yorkshire | Headingley, Leeds | 2005 |
| 166-7 | 50 | Lancashire v Leicestershire | Emirates Old Trafford, Manchester | 2014 |
| 166-7 | 47 | Lancashire v Northamptonshire | Edgbaston, Birmingham | 2015 |
| 166-7 | 41 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2021 |
| 166-8 | 46 | Lancashire v Yorkshire | Headingley, Leeds | 2024 |
| 165-7 | 41 | Lancashire v Derbyshire | Old Trafford, Manchester | 2009 |
| 165-3 | 75 | Lancashire v Durham | Emirates Durham International Cricket Ground, Chester-le-Street | 2013 |
| 165-9 | 74 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2013 |
| 165-8 | 73 | Lancashire v Northamptonshire | County Ground, Northampton | 2015 |
| 164-8 | 44 | Lancashire v Derbyshire | Old Trafford, Manchester | 2005 |
| 164-5 | 58 | Lancashire v Leicestershire | Grace Road, Leicester | 2006 |
| 164-8 | 53 | Lancashire v Middlesex | The Brit Oval, Kennington | 2008 |
| 164-8 | 44 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2014 |
| 164-7 | 79 | Lancashire v Warwickshire | Edgbaston, Birmingham | 2019 |
| 164-8 | 74 | Lancashire v Worcestershire | County Ground, New Road, Worcester | 2023 |
| 163-7 | 33 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2007 |
| 163-5 | 59 | Lancashire v Yorkshire | Old Trafford, Manchester | 2010 |
| 163-5 | 42 | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2015 |
| 163 | 62 | Lancashire v Yorkshire | Headingley, Leeds | 2017 |
| 163-4 | 58 | Lancashire v Warwickshire | Emirates Old Trafford, Manchester | 2017 |
| 162-5 | 48 | Lancashire v Leicestershire | Old Trafford, Manchester | 2011 |
| 162-3 | 76* | Lancashire v Essex | Emirates Old Trafford, Manchester | 2022 |
| 162 | 35 | Lancashire v Leicestershire | Uptonsteel County Ground, Leicester | 2024 |
| 161-5 | 51 | Lancashire v Durham | Old Trafford, Manchester | 2011 |
| 161-5 | 56 | Lancashire v Yorkshire | Headingley, Leeds | 2012 |
| 160-5 | 72* | Lancashire v Hampshire | Edgbaston, Birmingham | 2014 |
| 160-2 | 75* | Lancashire v Northamptonshire | County Ground, Northampton | 2019 |
| 159-6 | 41* | Lancashire v Northamptonshire | County Ground, Northampton | 2010 |
| 159-5 | 80* | Lancashire v Essex | Emirates Riverside, Chester-le-Street | 2019 |
| 159-6 | 49* | Lancashire v Worcestershire | Emirates Old Trafford, Manchester | 2021 |
| 159 | 44 | Lancashire v Somerset | Edgbaston, Birmingham | 2025 |
| 157-7 | 45 | Lancashire v Leicestershire | Grace Road, Leicester | 2008 |
| 157-5 | 67 | Lancashire v Northamptonshire | Old Trafford, Manchester | 2010 |
| 157-8 | 44 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2018 |
| 156-8 | 55* | Lancashire v Leicestershire | Grace Road, Leicester | 2003 |
| 156-6 | 38 | Lancashire v Derbyshire | Old Trafford, Manchester | 2010 |
| 156-9 | 32 | Lancashire v Northamptonshire | Emirates Old Trafford, Manchester | 2025 |
| 156-7 | 42 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2025 |
| 156-7 | 85* | Lancashire v Kent | Emirates Old Trafford, Manchester | 2025 |
| 155-5 | 57* | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2008 |
| 155-8 | 56 | Lancashire v Nottinghamshire | Old Trafford, Manchester | 2008 |
| 155-6 | 52 | Lancashire v Nottinghamshire | Emirates Old Trafford, Manchester | 2013 |
| 155-4 | 62* | Lancashire v Leicestershire | Emirates Old Trafford, Manchester | 2013 |
| 155-5 | 42* | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2017 |
| 155-8 | 42 | Lancashire v Northamptonshire | Emirates Old Trafford, Manchester | 2022 |
| 155-4 | 64 | Lancashire v Nottinghamshire | Trent Bridge, Nottingham | 2024 |
| 154-7 | 28 | Lancashire v Worcestershire | Old Trafford, Manchester | 2011 |
| 154-6 | 58 | Lancashire v Leicestershire | Grace Road, Leicester | 2012 |
| 153-7 | 38 | Lancashire v Northamptonshire | County Ground, Northampton | 2022 |
| 152-4 | 80* | Lancashire v Durham | Old Trafford, Manchester | 2007 |
| 152-8 | 49* | Lancashire v Sussex | The PROBIZ County Ground, Hove | 2011 |
| 152-5 | 42* | Lancashire v Yorkshire | Headingley, Leeds | 2013 |
| 152-9 | 34 | Lancashire v Durham | Seat Unique Riverside Ground, Chester-le-Street | 2023 |
| 151-6 | 31 | Lancashire v Nottinghamshire | Old Trafford, Manchester | 2009 |
| 151-3 | 78* | Lancashire v Leicestershire | Grace Road, Leicester | 2009 |
| 151-8 | 50 | Lancashire v Derbyshire | County Ground, Derby | 2013 |
| 151-7 | 41 | Lancashire v Leicestershire | Grace Road, Leicester | 2014 |
| 151-6 | 73 | Lancashire v Nottinghamshire | Emirates Old Trafford, Manchester | 2019 |
| 151-9 | 58 | Lancashire v Derbyshire | Emirates Old Trafford, Manchester | 2019 |
| 151-6 | 65 | Lancashire v Durham | Emirates Riverside, Chester-le-Street | 2021 |
| 151-8 | 36 | Lancashire v Hampshire | Edgbaston, Birmingham | 2022 |
| 151-6 | 55 | Lancashire v Durham | Banks Homes Riverside, Chester-le-Street | 2025 |
| 150-6 | 43 | Lancashire v Yorkshire | Headingley, Leeds | 2008 |
| 150-9 | 53 | Lancashire v Durham | Emirates Old Trafford, Manchester | 2018 |
