Jacob Lambrechtsz. Loncke

'''Jacob Lambrechtsz. Loncke''' (1580–1644) was a Dutch Golden Age painter from Zierikzee.

He was the son of Lambrecht Jeroen Pietersz Loncke and Mayke Cornelis Leijst and the brother of Rochus. He married Sara Rembrandtsdr Verboom, and married a second time to Marijken Waarsegger op 4 November 1625 in Zierikzee. Little is known of his life. He is known for portraits and in 1618 was deacon of the artists' guild in Zierikzee.