Wrench (surname)
Wrench is a surname, and may refer to:
Benjamin Wrench (1778–1843), English actor
Christopher Wrench (born 1958), Australian organist and lecturer
David Wrench (rugby league) (born 1978), English Rugby League footballer
David Wrench (singer), Welsh singer
Edward Thomas Jones Wrench (1828–1893), Australian businessman
Evelyn Wrench (1882–1966), British journalist
John Wrench (1911–2009), American mathematician
Nigel Wrench (born 1960), English radio presenter
Sarah Wrench (1833-1848), reputed witch buried at East Mersea