Sadko may refer to one of the following icebreakers named after Sadko, a hero of a Russian bylina:
- Sadko (1913), a Russian and later Soviet icebreaker which sank in 1941
- Sadko (1968), a Soviet and later Russian Navy armed patrol icebreaker
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.