Tim Wallach, nicknamed "Eli", is a former third baseman in Major League Baseball who played from 1980 to 1996 for the Montreal Expos, Los Angeles Dodgers, and California Angels. He is the bench coach for the Miami Marlins.

Wallach played college baseball for the Cal State Fullerton Titans, and won the Golden Spikes Award in 1979. He made his MLB debut with the Expos in 1980 and played for them through 1992, before playing for the Los Angeles Dodgers and California Angels, retiring in 1996. During his career, Wallach was a five-time All-Star, a three-time Gold Glove Award winner, and a two-time Silver Slugger Award winner.