An optical fiber connected body including a first optical fiber having a core and a clad, and a second optical fiber having a core and a clad, with its end connected optically to an end of the first optical fiber, in which the core center of the first optical fiber and the core center of the second optical fiber are mutually deviated at the interface of the first optical fiber and the second optical fiber, a light beam entering the second optical fiber from the first optical fiber is inclined to the central axis of the second optical fiber.