Martin Kinsley (June 2, 1754 – June 20, 1835) was a U.S. Representative from Massachusetts. Born in Bridgewater in the Province of Massachusetts Bay, Kinsley graduated from Harvard College in 1778. He studied medicine. He became a purveyor of supplies in the Revolutionary Army. He served as Treasurer of the Town of Hardwick. He moved to Hampden, and was a representative of that town in the Massachusetts House of Representatives. He served as member of the executive council in 1810 and 1811, as a judge of the court of common pleas in 1811, as judge of the probate court, and served in the Massachusetts State Senate.

Kinsley was elected as a Democratic-Republican to the Sixteenth Congress (March 4, 1819 – March 3, 1821). He was an unsuccessful candidate for reelection in 1820 to the Seventeenth Congress. He died in Roxbury, June 20, 1835.