John Jenkinson may refer to:
Sir John Jenkinson, 14th Baronet (b. 1945), of the Jenkinson baronets John Jenkinson (bishop) (1781–1840), English churchman, Bishop of St David's John Jenkinson (British politician) (died 1805), MP for Corfe Castle John Jenkinson (New Zealand politician) (1858–1937), member of the New Zealand Legislative Council John Jenkinson (rowing) (born 1941), Australian rower who competed at the 1956 Summer Olympics John Wilfred Jenkinson (1871–1915), namesake of the J. W. Jenkinson Memorial Lectureship