James Gerrard Lennon (1907–February 1976), known as Gerry Lennon, was a solicitor and Irish nationalist politician. Lennon stood unsuccessfully for the National League of the North in South Armagh at the 1933 Northern Ireland general election. In 1944, he was appointed to the Senate of Northern Ireland, serving as a Senator until the body was prorogued in 1972. From 1948 until 1950, he served as a Deputy Speaker.