James Jennings (1670–1739) of Shiplake was an English landowner and Tory politician who sat in the House of Commons between 1710 and 1722.

Jennings was baptised on 26 June 1670, the eldest son of Robert Jennings, of Shiplake and his wife Mary Jennens daughter of James Jennens of Long Wittenham, Berkshire.

He matriculated at Wadham College, Oxford on 5 July 1686, aged 16;[1] He married Frances Constantine, daughter of Harry Constantine of Merley and Lake, Dorset, in 1698.

[2] Jennings substituted for his father as High Sheriff of Oxfordshire in the year 1694 to 1695.

He was defeated at the 1722 general election when he split the Tory vote in a one-seat constituency.