Soltau is a surname. Notable people with the surname include:
Annegret Soltau (born 1946), German artist Eleanor Soltau (1877–1962), English doctor Gordy Soltau (1925–2014), American football player Henrietta Soltau (1843–1934), British evangelist Jill Soltau (born 1967), American businesswoman Knuth Meyer-Soltau (born 1965), German politician Mirko Soltau (born 1980), German football player Otto Soltau (1885–1915), German artist Pauline Soltau (1833–1902), German painter, violinist Wilfried Soltau (1912–1995), German sprint canoer