The present invention relates to a monocular stereoscopic camera for capturing a stereoscopic image of an object, and the monocular stereoscopic camera according to the present invention has: a first imaging lens assembly; a half mirror for reflecting a portion of light rays which have passed through the first imaging lens assembly while allowing the remaining light rays to pass through; a first camera including a third imaging lens assembly for imaging the light rays which have been reflected by the half mirror; a second camera including a third imaging lens assembly for imaging the light rays which have passed through the half mirror; and a second imaging lens assembly arranged on an optical axis between the first imaging lens assembly and the half mirror or on an optical axis between the half mirror and the third imaging lens assembly.