James Weston Leonard (20 April 1853 – 3 September 1909) was an influential politician of South Africa and Attorney-General of the Cape Colony.

[1] Leonard was born in Somerset East and received his schooling at Gill College.

He studied law at the University of Cape Town, graduating with an LL.B.

[3] He served as Member of the Cape Legislative Assembly for Oudtshoorn (1880–88) and served as Attorney General in the governments of Cape Prime Ministers, Gordon Sprigg in 1881 and Thomas Scanlen from 1882 until 1884.

This article about a Western Cape politician is a stub.