Whitesides is an English surname. Notable people with the surname include:
Dan Whitesides (born 1977), American drummer George M. Whitesides (born 1939), American chemist and academic George T. Whitesides, American businessman and Congressman Jacob Whitesides (born 1997), American singer-songwriter Kevin Whitesides (born 1964), American racing driver Loretta Hidalgo Whitesides, American author and public speaker Sue Whitesides, Canadian mathematician and computer scientist Thomas Whitesides (1836–1919), Australian cricketer Thomas Richard Whitesides, Canadian politician Tyler Whitesides (born 1987), American writer
See also Whiteside Theatre, historic theater building in Corvallis, Oregon, United States Winny v. Whitesides Whiteside (disambiguation)