Henry Cochrane Williamsen Gleditsch (9 November 1902 – 6 October 1942) was a Norwegian stage and film actor and theatre director.

He was born in Kristiania.^[1] In his young days he participated in skiing for SFK Lyn.^[2] He married Synnøve Tanvik in 1932.^[3]

He made his acting debut in 1923, and in 1937 he established and took charge of Trøndelag Teater in Trondheim. He had a satirical style, provoking the authorities of the Occupation of Norway by Nazi Germany. People warned him and advised him to flee to Sweden, but he did not do so.^[1]

Following skirmishes in Majavatn and sabotages in Glomfjord and Malm, conducted by the Norwegian resistance movement, martial law was declared on 6 October 1942 in and around Trondheim, in Nord-Trøndelag and in Grane. In a speech held in the main square in the city center of Trondheim, Josef Terboven declared an imminent crackdown on "those who pull the strings".^[4] Henry Gleditsch was executed as a propitiatory reprisal, near Falstad, together with newspaper editor and politician Harald Langhelle and eight other people.