Bay \bay\ as a boy's name (also used as girl's name Bay). Geography name: an indentation of land in a coastline. Also generally a short form of Bailey, although it is sometimes used as an independent given name.

For more information, see also the related name Bayard.

Baby names that sound like Bay are Bayou, Beau, Boe, Bo and Bow. Other similar baby names are Bar, Ban, Baz, Bat, Bly, Bray, Kay, Day, Fay, Gay, Jay, Ray, Tay and Way.