Marco may refer to:
- Georg Marco (1863–1923), Romanian chess player of German origin
- Marco (given name), people with the given name "Marco"
- 3000 Leagues in Search of Mother, an anime series, in some countries referred to as Marco
- Marco (Animorphs), one of the six main characters in the book series Animorphs
- Hurricane Marco (disambiguation), any of three different tropical cyclones in the Atlantic Ocean