At least two ships of the Royal Danish Navy have been named Olfert Fischer:
- HDMS Olfert Fischer (1903), a coastal defense ship built in the early 1900s
- HDMS Olfert Fischer (F355), a corvette built in the late 1970s and early 1980s
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.