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