Frederick is a masculine given name meaning "peaceful ruler".

It is the English form of the German name Friedrich.

[1] Frederick ranked among the top 100 names in the United States between 1880 and 1957 and has declined thereafter.

[2] It ranked as the 99th most popular name for boys in England and Wales in 2007.

[3] Freddy, a short form, ranked as the 60th most popular name for boys in England and Wales in 2008.