Namesakes
Omer
(m) ?-670 
Saints
Ömer Lütfi Akad
(m) 1916-2011
Notable Filmmakers
Omer Nishani
(m) 1887-1954
Albanian Presidents and Prime Ministers 1946-1953 (president)
Philippe Pétain
(a.k.a. Omer) (m) 1856-1951
French Presidents and Prime Ministers 1940 (prime minister)
Notable Military Figures