Glauco was the name of at least two ships of the Italian Navy and may refer to:
- Italian submarine Glauco (1905), a Glauco-class submarine (1905) launched in 1905 and discarded in 1916.
- Italian submarine Glauco (1935), a Glauco-class submarine initially ordered by Portugal as Delfim but cancelled before launch and acquired by Italy. She was launched in 1935 and lost in 1941.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.