H. M. Wynant (born Chaim Weiner; February 12, 1927)^[2] is an American film and television actor.

Wynant was born in Detroit, Michigan to Bessie and Jacob Weiner from Zabolotiv, Poland.^[3] He made his feature film debut as a Native American in Samuel Fuller's Run of the Arrow (1957). The following year, in Walt Disney film Tonka, Wynant played Yellow Bull, a Sioux Indian.

His film credits include Run Silent, Run Deep (1958); The Slender Thread (1965); Track of Thunder (1967); The Helicopter Spies (1968); Marlowe (1969); Conquest of the Planet of the Apes (1972); The Horror at 37,000 Feet (1973); Hangar 18 (1980); Earthbound (1981); and Solar Crisis (1990). He played a villain who fought Elvis Presley in the 1963 film, It Happened at the World's Fair.

Among his many television credits are appearances on shows such as Playhouse 90, Sugarfoot, Hawaiian Eye, Combat!, The Wild Wild West, Perry Mason, The Twilight Zone, Daniel Boone, Gunsmoke, Frontier Circus, Get Smart, Hawaii Five-O, The Big Valley, Hogan's Heroes, Bat Masterson, Mission: Impossible, Quincy, M.E., and Dallas.

In later years, he was a member of Larry Blamire's stock company, playing authoritative figures in several of Blamire's features and shorts, such as a Pentagon general in The Lost Skeleton Returns Again and a weird psychiatrist in Dark and Stormy Night. He returned to the big screen in 2011 in Footprints for which he was nominated as Best Supporting Actor at the Method Fest Independent Film Festival.^{[citation needed]}

• H. M. Wynant at IMDb
• James Arness! Elvis! "Run of the Arrow"! Being Bad with H.M. Wynant A WORD ON WESTERNS