Lionel Gilbert Ollyett Woodhouse (22 February 1888 – 31 March 1965) was an English civil servant and naturalist who was the 18th Surveyor General of Ceylon.
[1] He was appointed in 1937, succeeding G. K. Thornhill, and held the office until 1943.
He was succeeded by R. J.
Johnston.
[2] As an amateur lepidopterist, he was among the first to document the butterflies of Sri Lanka.