Spare Time is a 1939 British film directed by Humphrey Jennings for the GPO Film Unit, and made for the 1939 New York World's Fair. It is 15 minutes long and documents the leisure activities of workers in the coal, steel, and cotton industries in Sheffield, Bolton, Manchester and Pontypridd. Commentary is provided by Laurie Lee.

Frank Humphrey Sinkler Jennings was an English documentary filmmaker and one of the founders of the Mass Observation organisation. Jennings was described by film critic and director Lindsay Anderson in 1954 as "the only real poet that British cinema has yet produced".