Sir Lionel Pilkington, 5th Baronet (c.1707 – 11 August 1778) was a British Member of Parliament.
He was the eldest son of Sir Lyon Pilkington, 4th Baronet of Stanley, near Wakefield, Yorkshire and educated at Westminster School (1721) and Christ Church, Oxford (1725).
He was appointed High Sheriff of Yorkshire for 1740–41 and elected MP for Horsham in a by-election in 1748, sitting until 1768.
He bought Chevet Hall near Wakefield from his sister-in-law, Anne, where he lived until his death.
This article about a Member of the Parliament of Great Britain (1707–1800) representing an English constituency is a stub.