Reiji Oyama, a fictional character in the Power Instinct series who is also known by the surname "Ojama".

Reiji Arisu, a fictional Namco x Capcom character.

Leiji Matsumoto, whose given name is sometimes spelled with an "R".

A minor character from Bloody Roar.

Reiji Nagakawa, a translator.

Reiji (Gravitation), a fictional character also known as "Rage".

Reiji Fujita, a fictional character in Gallery Fake.

Reiji Sakurai, a vocalist.

Reiji Okazaki, the biologist.