Wulff is a German family surname and may refer to:
People
Christian Wulff (born 1959), German politician, former president of Germany
Erwin Neutzsky-Wulff (born 1949), Danish philosopher and author
Wilhelm Wulff, Nazi occult astrologer
See also Wolff, a surname Wulf Wulff (comics), a fictional mutant character in the Marvel 2099 setting