Peter Lansdown

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This biography of a living person relies on a single source. You can help by adding reliable sources to this article. Contentious material about living people that is unsourced or poorly sourced must be removed immediately. (May 2024) (Learn how and when to remove this message) This biography of a living person includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. Please help improve this article by introducing more precise citations. (May 2024) (Learn how and when to remove this message) (Learn how and when to remove this message)

Peter Geoffrey Lansdown (born 28 March 1947) is a Welsh ornithologist.

He was the fourth chairman of the British Birds Rarities Committee, serving from 1986 to 1993. He has also served on the British Ornithologists' Union Records Committee.