Diller has several uses including:
People with the surname
Barry Diller (born 1942), American businessman Burgoyne Diller (1906–1965), American abstract painter Dwight Diller (1946–2023), American musician Karl Diller (born 1941), German politician Phyllis Diller (1917–2012), American comedian Na'aman Diller (d. 2004), Israeli thief who robbed the Museum for Islamic Art
Other uses
Killer Diller (2004 film), a drama film Killer Diller (1948 film), a musical film Diller, Nebraska