Frederick James Seabrook (9 January 1899 – 7 August 1979) was an English first-class cricketer active 1919–35 who played for Gloucestershire and Cambridge University.
He was born in Brockworth and died in Cirencester.
He appeared in 143 first-class matches as a left-handed batsman who occasionally bowled slow left arm orthodox spin.
Seabrook scored 5,335 career runs with a highest score of 136, one of eight centuries; he held 82 catches and took eight wickets with a best return of four for 77.