British Association of Pool Table Operators
(British Operators)

Daniel Opel
(Daniel Opel)

Fernando Operé
(Fernando Operé)

Jennifer Openshaw
(Jennifer Openshaw)

Jerome Opena
(Jerome Opena)

Learning Foundation Open
(Learning Open)

Linda Openshaw
(Linda Openshaw)

Mary Openlander
(Mary Openlander)

MD Caxton Aderemi Opere
(MD Opere)

Metropolitan Opera
(Metropolitan Opera)

O'Pecko, Michael T.
(Michael O'Pecko)

Opechowski, W.
(W. Opechowski)

Opeka, Kay
(Kay Opeka)

Opeke, Lawrence K.
(Lawrence Opeke)

Opekokew, Delia 1945-
(Delia Opekokew)

Opel, Adolf 1935-
(Adolf Opel)

Opel, Andy 1964-
(Andy Opel)

Opelík, Jiří
(Jiří Opelík)

Opelka, J. H.
(J. Opelka)

Opella, S. J. 1947-
(S. Opella)