Dowdy is a surname. Notable people with the surname include:
Adam Dowdy (born 1975), American baseball umpire
Bill Dowdy (born 1933), American musician
Cecil Dowdy (1945–2002), American football player
Helen Dowdy, American actress
Homer Dowdy (1922–2002), American writer
Joe D. Dowdy, American military officer
John Dowdy (1912–1995), American politician
Nancy M. Dowdy, American nuclear physicist
Wayne Dowdy (born 1943), American politician
