Troth is a surname. Notable people with the surname include: Al Troth (1930–2012), American fisherman Doris Troth Lippman (fl. 1967–present), American professor of nursing Henry Troth (1859–1945), American photographer Paul Troth (quarterback) (born 1982), American college football quarterback Paul Troth (American football coach) (born c. 1962), American football coach