A mudlark is a person who scavenges in river mud for items of value, especially in London during the late 18th and 19th centuries.

Mudlark may also refer to:

Arts and entertainment The Mudlark, a 1950 British film The Mudlarks, an English pop vocal group active in the late 1950s and early 1960s Mudlark (album), Leo Kottke's fourth album Mudlark (company), an English gamification company Girl with Ruffled Hair (The Mudlark), a portrait by Vincent van Gogh Mudlark, an imprint of HarperCollins UK

Other uses Mudlark (bird), a bird (Grallina cyanoleuca) Mudlark, a model of Penton off-road motorcycle

See also Mudlarking: Lost and Found on the River Thames, a 2019 book by Lara Maiklem