Jack Lescoulie (November 17, 1912 – July 22, 1987) was an American radio and television announcer and host, notably on NBC's Today during the 1950s and 1960s; a newspaper source lists his date of birth as May 17, 1912.

[4] He was billed as the "Grouchmaster" on The Grouch Club (1938–1940), a program in which people aired their complaints about anything,[3] created by Nat Hiken, creator of The Phil Silvers Show (You'll Never Get Rich) and Car 54, Where Are You?.

In the 1940s, he was morning-drive partner to Gene Rayburn on WNEW radio (now WBBR) in New York City, before turning over his role in the team to Dee Finch.

During his long run on Today (1952–1967), Lescoulie's duties included announcing the show at the top and bottom of every hour, conducting interviews, reporting on sports, chatting with the crowd outside the studio and acting as a foil for Dave Garroway's pranks.

[3][8] Typical Lescoulie sketches included acting a scene from Shaw's Caesar and Cleopatra with Jayne Mansfield[9] in July, 1956, and being hit in the face with a pie by Buster Keaton in April, 1963.

The official explanation from NBC said the change would add flexibility in scheduling interviews, though the real reason had more to do with relieving strain on the cast.

Lescoulie left the show permanently in 1967, and the role he originated was filled by Joe Garagiola, Willard Scott, and Al Roker.

Between 1938 and 1950, Lescoulie had a number of roles as a film actor, mostly uncredited, but he used the name Joe Hartman when he acted in the aviation drama Emergency Landing (1941).