Elter is a surname. Notable people with the surname include:
Anielka Elter (1901–1958), Czechoslovak actress Anton Elter (1858–1925), German philologist Leo Elter (1929–2008), American football running back Margaret Elter (c. 1525 –c. 1553), German protestant Peter Elter (born 1958), German tennis player Robert Elter (1899–1991), Luxembourgish footballer
See also Elter Water, is a small lake in North West England