See also the related category chinese.
Hann is not commonly used as a baby boy name. It is not in the top 1000 names.
Baby names that sound like Hann include Han (Chinese and Dutch), Hahn, Haim (Hebrew and Polish), Hain (English), Ham (English), Heine (German), Hem, Heyne (German), Holm (English), Homane, Honaw, Hum, Hun, Hunn, Huynh, Chen (Chinese), Jaim, Juan (Manx and Spanish), Ohyn, and Hahnee.
† English pronunciation for Hann: HH as in "he (HH.IY)" ; AE as in "at (AE.T)" ; N as in "knee (N.IY)"