Robert Allen Engel (October 11, 1933 – March 5, 2018) was an American professional baseball umpire who worked in the National League from 1965 to 1990.

A former president of the umpires union, Engel retired after being arrested for the theft of more than 4,000 baseball cards from a Target store in California, for which he pleaded no contest.

As a young man in Bakersfield, California, Engel worked as a hotel bellhop.

After seeing ads in The Sporting News for the George Barr Umpire School, Engel decided to attend.

[2] Interviewed for a 1987 piece in Sports Illustrated, Engel expressed annoyance at fellow umpires with a flair for the dramatic, saying that "the players don't care how much gyration you put on.