Krister \k-ris-ter, kr(i)-ster\ as a boy's name is a variant of Christian (Latin), and the meaning of Krister is "follower of Christ".
The baby name Krister sounds like Kristo, Cristen, Christer, Kristos, Kristofer, Kristien, Kristan, Krist and Kristof. Other similar baby names are Kester, Brewster, Kastor, Caster, Cristy, Cristos, Criston, Kristofor, Kristoffer, Cristofer, Coster, Forster, Forester, Kristopher, Krystof and Kristoff.