Matthew Welsh

Matthew or Matt Welsh may refer to:
 * Matt Welsh (born 1976), Australian swimmer
 * Matt Welsh (computer scientist), computer scientist and software engineer
 * Matthew E. Welsh (1912–1995), 41st governor of Indiana, from 1961 to 1965
 * Matthew E. Welsh Bridge on Ohio river, named after the above
 * Bust of Matthew E. Welsh, a 1996 public artwork by American artist Daniel Edwards