Iliffe may mean:

Peerage Baron Iliffe, a title in the Peerage of the United Kingdom Edward Iliffe, 1st Baron Iliffe Charlotte Iliffe, Baroness Iliffe Langton Iliffe, 2nd Baron Iliffe

Other people Jim Iliffe (23 April 1922 – 25 June 2005), an Australian radio and television personality John Iliffe (disambiguation), several people Marc Iliffe (27 June 1972 – 11 February 2003) was a British strongman famous for being the winner of Britain's Strongest Man contest in 2002 Valentina Iliffe (born 17 February 1956 in Sydney, Australia), a British former alpine skier who competed in the Winter Olympics

Companies Yattendon Group, owned by the Iliffe family

Other Iliffe vector, In computer programming, a data structure used to implement multi-dimensional arrays