Manon

Also French (Belgian) and Flemish: http://www.names.be/meisjesnamen.html?met=Manon&sort=beldesc

Also Jèrriais: https://www.learnjerriais.org.je/pluginfile.php/3125/mod_resource/content/1/dictionnaithe%20Angliais-J%C3%A8rriais%202012.pdf
http://members.societe-jersiaise.org/geraint/jerriais/noms1ers.html

I know Manon is a feminine given name and it may sound feminine to the audience, but Manon has “man” in it, not to mention the masculine suffix. There’s really nothing feminine girly or even unisex about this name, to me!

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I love it for a boy! For a girl it’s dated and odd and it doesn’t strike any femininity at all! For a boy it’s unique and it has a lot of masculine in the name!

I have only heard it pronounced MAH-non, with a very subtle n at the end. This name is really trendy in France and has only been in common use since the late 80's. I don't see the appeal personally.

Manon was originally a nickname for Marianne (explaining the _n_) and later became a nickname for Marie. Nowadays. It is more often used as an independant name. In France short forms of names (such as Manon, Ninon and Lilou) have become increasingly popular as official names. In 2009, Manon ranked at #3 in the most popular names given to baby girls in France.

Also a fairly common Welsh girls' name, pronounced MAH-non.