See also the related category spanish.
Oihann is not widely used as a baby name for girls. It is listed outside of the top 1000 names.
Baby names that sound like Oihann include Oihaen, Oihaene, Oihain, Oihaine, Oihane, Oihanne, Oihayn, Oihayne, Omaney, Omani, Omanie, Omany, Onaona (Hawaiian), Onawa (English and Siouan), Onia, Oniya, Owena (Welsh), Oenone, Oenonee, and Om (Indian).
† approx English pronunciation for Oihann: OY as in "toy (T.OY)" ; IH as in "it (IH.T)" ; HH as in "he (HH.IY)" ; AE as in "at (AE.T)" ; N as in "knee (N.IY)"