Unusual baby names beginning with the letter 'K' King. 2 / 36. This is a very strong American name for a little boy. ... Kendall. 3 / 36. The name Kendall is an English baby name and means 'royal valley'. ... Keagan. 4 / 36. ... Karis. 5 / 36. ... Kanye. 6 / 36. ... Kiera. 7 / 36. ... Kenton. 8 / 36. ... Kendra. 9 / 36. More items... Dec 30, 2020