Paul Giesler (15 June 1895 – 8 May 1945) was a German Nazi Party functionary.
He first joined the NSDAP (Nazi Party) in 1922, and reenrolled on 1 January 1928 with Party number 72,741.
From 1941 Gauleiter of Westphalia-South (Westfalen-Süd) and as of 1942 also acting Gauleiter of the Gau Munich-Upper Bavaria (Gau München-Oberbayern).
He was from 2 November 1942 to 28 April 1945 the Premier (Ministerpräsident) of Bavaria.