What names are similar to Colin?

If you like Colin, consider Calvin, Corbin and Kelvin. Like Colin, their spellings end in -in.

The same sound

Two syllables, ending the same way as Colin.

Calvin French · from surname Cauvin, "little bald one"

Corbin French · surname, "raven, dark-haired"

Kelvin Scottish · from the River Kelvin in Scotland, of uncertain Celtic origin; Brazil's 2000s wave pick, a Kevin with an L of its own

Gavin Welsh · form of Gawain; meaning disputed, traditionally "white hawk"

Also Scottish names, from the tradition Colin comes from.

Ian Scottish · Anglicized form of Scottish Gaelic Iain, from Iohannes and the John line; the underlying Hebrew name means "Yahweh is gracious"

Gordon Scottish · from a Scottish place name and clan surname, traditionally 'spacious fort'

Ewan Scottish · Scottish Gaelic form of Eugene, traditionally 'born of the yew tree'

Lachlan Scottish · from the land of lochs (Norway)

Each of these is at its highest in the 2000s, the same decade as Colin, on a similar curve.

Camron Scottish · variant spelling of Cameron, traditionally 'crooked nose'

Corwin English · an English surname of disputed origin, most plausibly cordwainer, a leatherworker; heart's friend is a popular but unsupported gloss

Irvin Scottish · variant of Irving, green water

Efrain Hebrew · fruitful