The right-handed batter already has experience of playing in the County Championship, having previously played for Hampshire in 2018.
Ali has played two ODIs and 33 T20Is for Pakistan since 2020.
The transitioning phase in the Lancashire County Cricket Club has just began as the seasoned skipper Dane Vilas has moved on from his role and handed the responsibility to opener
Ali is signed with Worcestershire for upcoming 2023 County season.