Bay \bay\ as a girl's name (also used as boy's name Bay), is of Old French and Latin origin, and the meaning of Bay is "berry". Geography name: an indentation of land in a coastline. Also a plant name: the term "bay" is used for several different kinds of trees, including the bay laurel, whose leaves are used as a herb and flavouring agent, and were also twined into wreaths by the Greeks, to crown victors. See also Laurel, Juniper, and Cinnamon.

Baby names that sound like Bay are Bao, Bea, Bee, Beah, Bo and Beau. Other similar baby names are Bab, Bat, Kay, Cay, Day, Fay, Gay, Jay, May and Ray.