This is a list of names in which the categories include bodies of water.
ÆgirmNorse Mythology Means "sea, ocean" in Old Norse. According to Norse mythology Ægir was a god or giant (jǫtunn) who lived under the ocean. His wife was Rán.
Lakem & fEnglish (Rare) From the English word lake, for the inland body of water. It is ultimately derived from Latin lacus.
Morgan 1m & fWelsh, English, French From the Old Welsh masculine name Morcant, which was possibly derived from Welsh mor "sea" and cant "circle". Since the 1980s in America Morgan has been more common for girls than boys, perhaps due to stories of Morgan le Fay or the fame of actress Morgan Fairchild (1950-).
Oceanf & mEnglish (Modern) Simply from the English word ocean for a large body of water. It is ultimately derived from Greek Ὠκεανός (Okeanos), the name of the body of water thought to surround the Earth.
OcéanefFrench Derived from French océan meaning "ocean".
Riverm & fEnglish (Modern) From the English word that denotes a flowing body of water. The word is ultimately derived (via Old French) from Latin ripa "riverbank".