Swaine \s-waine, swa(i)-ne\ as a boy's name is of Old English origin, and the meaning of Swaine is "one who herds swine". Occupational name. Swine is an old term for pigs. The first Danish king of England (11th century) was named Swain, a name which may also be related to Sven.
Swaine has 3 variant forms: Swain, Swayn and Swayne.
Baby names that sound like Swaine are Shaine, Shane, Shayne and Zaine.