Lancelot Walker (26 November 1829 – 19 May 1907) was a 19th-century Member of Parliament in New Zealand. Walker was born in 1829 to Thomas and Constantia Anne Walker of Co York, England. He served in the British Army in India, although in which regiment or unit is unclear. Walker came to New Zealand in 1856. He lived at Four Peaks, Geraldine, Canterbury, where he died.