Burchard IV of Mansfeld-Querfurt

Burchard III, also numbered Burchard IV, was Count of Mansfeld-Querfurt, the line founded when the lords of Querfurt inherited Mansfeld in 1229. He first appears as count in 1273, while still under age. Before 20 December 1286 he married Sophie of Lüchow.

In 1287 he held Seeburg Castle, and in 1301 he is named as lord of Bornstedt. His children included Burchard V, Oda and Albert. He died between 2 October 1310 and 28 October 1311.