Harry Walker (1918–1999) was an American baseball player, manager and coach.
Harry Walker may also refer to:
- Harry C. Walker (1873–1932), Lieutenant Governor of New York
- Harry G. R. Walker, former mayor of Regina, Saskatchewan, Canada
- Harry Walker (cricketer) (1760–1805), English cricketer
- Harry Walker (footballer) (1916–1976), English football goalkeeper
- Harry G. Walker (1892–1982), Australian rules footballer
- Harry Walker (politician) (1873–1950), company director and member of the Queensland Legislative Assembly
- Harry Walker (rugby union) (1915–2018), English rugby union player
- Harry Walker: pseudonym used by Hillary Waugh (1920–2008), American mystery novelist