95 Arethusa (air'-a-thew'-za) is a large main belt asteroid. Its coloring is dark, composition carbonaceous and primitive.

It was discovered by Robert Luther on November 23, 1867 and named after one of the various Arethusas in Greek mythology.

Arethusa has been observed occulting a star three times: first on February 2, 1998 and no less that twice in January, 2003.