Wentorf () may refer to the following municipalities in Germany:
Wentorf bei Hamburg, in the district of Lauenburg, Schleswig-Holstein Wentorf, Sandesneben, part of the Amt Sandesneben, in the district of Lauenburg, Schleswig-Holstein
People with the surname Wentorf: Carl Wentorf (1863–1914), Danish painter Robert H. Wentorf, Jr., American scientist