Joseph Mercer

Joseph Mercer may refer to:


 * Joe Mercer (1914–1990), English football player and manager
 * Joe Mercer (footballer, born 1889) (1889–1927), English footballer & father of Joe Mercer (b.1914)
 * Joe Mercer (jockey) (1934–2021), English jockey
 * Joseph Wayne Mercer (1845–1906), American politician in Missouri