John Sydenham (disambiguation)

John Sydenham is a footballer.

John Sydenham may also refer to:


 * John Sydenham (antiquary) English antiquarian (1807–1846)
 * John Sydenham (14th-century MP), for Bridgwater (UK Parliament constituency)
 * Sir John Sydenham, 2nd Baronet (1643–1696)