Frederick or Fred Dean may refer to:
Sports Frederick Dean (rugby union) (1880–1946), Cornish rugby union player Fred Dean (1952–2020), American football defensive end Fred Dean (offensive lineman) (born 1955), American football guard Fred Dean (Australian footballer) (1909–1989), Australian rules footballer
Other Frederick Dean (SA Navy) (1900–1983), South African military commander Frederick James Dean (1868–1941), British trade unionist