Monah \m(o)-nah\ as a girl's name is a variant of Mona (Irish, Gaelic), and the meaning of Monah is "noble, aristocratic".

The baby name Monah sounds like Monay, Mina, Mena, Moyna, Monna, Moina, Mone, Mouna and Muna. Other similar baby names are Oonah, Morah, Nonah and Yonah.