Diem may refer to: Latin phrases. Carpe diem, a Latin phrase meaning "seize the day" Per diem, meaning "per day" De die in diem, a legal term meaning "from day to day" People. Given name. Diem Brown (1980–2014), American television personality and journalist. Ngo Dinh Diem (1901–1963), Vietnamese leader assassinated in a military coup. Diem Saunders (1991/1992–2021), Inuk writer and activist from Canada. Surname. Carl Diem (1882–1962), originator of the Olympic torch relay. Ryan Diem (born 1979), American football player. Other uses.
https://en.wikipedia.org/wiki/Diem