Jan Lomnicki (30 June 1929 – 18 December 2002) was a Polish film director and screenwriter.
A graduate of the National Film School in Lódz.
He directed more than thirty films between 1954 and 2000.
His 1976 film To Save the City (Polish: Ocalic miasto) was awarded at the Polish Film Festival (1976) and was entered into the 10th Moscow International Film Festival (1977).He was the brother of the actor Tadeusz Lomnicki.