Toby is a surname. Notable people with the surname include:
Allira Toby, Australian footballer
Arthur Toby (1903–1984), Australian rugby union and rugby league player
Darren Toby (born 1982), Trinidadian footballer in the United States
Frederick Toby (1888–1963), Australian cricketer
Gabriel Toby, Nigerian politician and economist, Deputy Governor of Rivers State from 1999 to 2007
Joseph Toby (born 1989), Sierra Leonean-American soccer player
Ronald Toby (born 1942), American historian, academic, writer and Japanologist
Ryan Toby (born 1978), American soul singer, songwriter, producer and actor