The meaning of the name Griffith is "Griffin Lord". The origin of the name Griffith is Welsh.
Griffith is a surname of Welsh origin which derives from the given name Gruffudd. The prefix Griff (originally Gruff) may mean "strong grip" and the suffix, udd, means "chief"/"lord". The earliest recorded example of the surname was "Gryffyth" in , but the given name is older. People with the surname or its variants include: