John Francis Uncles (18 September 1898 – 20 January 1967) was a lieutenant general in the United States Army.

[13] In 1938, Uncles graduated from the Command & General Staff College, afterwards being assigned as instructor in the Department of Tactics & Communications at the Fort Sill, Oklahoma Field Artillery School, where he served until 1940.

[14] In 1942, Uncles was assigned as assistant personnel officer, G-1, at Headquarters, Army Ground Forces, where he remained until 1943.

[19] In 1948, Uncles became Chief of Staff of United States Constabulary in Europe, serving until 1950, when he was named commander of the 4th Infantry Division Artillery, which he led until 1951.

[22][23] Uncles was appointed Chief of Staff for United States Army, Europe in 1954, and served in this assignment until 1956.

[27][28][29] Uncles’ awards included two Distinguished Service Medals, the Legion of Merit, and the Bronze Star.