Conus is a genus of marine snails.

Conus may also refer to:

People:

• Saint Conus (died 1200), Benedictine monk and saint
• Georgi Conus (1862-1933), Russian composer, brother of Julius and Lev
• Julius Conus (1869-1942), Russian violinist and composer, brother of Georgi and Lev
• Lev Conus (1871–1944), Russian pianist, music educator, and composer, brother of Georgi and Julius
• Serge Conus (1902-1988), Russian pianist and composer, son of Julius

Other uses:

• Contiguous United States (CONUS)
• Conus (Marietta, Ohio), a prehistoric Moundbuilders' mound in Marietta, Ohio, United States
• USS LST-317, a U.S. Navy ship to be converted to landing craft repair ship USS Conus (ARL-44), but the conversion was cancelled