Howard Griffiths may refer to:

Howard Griffiths (conductor) (born 1950), British conductor Howard Griffiths (scientist), British plant scientist Howard Griffiths (presenter), British television presenter Howard Griffiths (screenwriter) (1935–1999), Welsh-born screenwriter for Australian television shows

See also Howard Griffith (born 1967), American football player Morgan Griffith (Howard Morgan Griffith, born 1958), American politician