An air jet loom including a reed having a weft guide groove, which is defined by recesses formed in reed dents, in a front surface of the reed, and a beam member that extends in a weaving-width direction over a weaving width of a woven cloth, and a woven cloth supporting apparatus comprising: a first guide member and a second guide member that are supported by the beam member and that extend in the weaving-width direction, wherein each of the first and second guide members of the woven cloth supporting apparatus includes an attachment base portion that is supported by the beam member and that includes an upwardly extending portion that extends at least upward, and a woven cloth support portion that extends toward the cloth fell from the upwardly extending portion of the attachment base portion and that includes a contact portion that contacts and supports the woven cloth at least at a cloth-fell-side end of the woven cloth support portion, wherein the first and second guide members are arranged so that the contact portion of the woven cloth support portion is at a height at which the contact portion supports the woven cloth in the weft guide groove of the reed at a beating-up time, characterized in that among the first and second guide members, one of the guide members is arranged such that the upwardly extending portion thereof is farther from the cloth fell than the upwardly extending portion of the other of the guide members and the woven cloth support portion thereof is above the woven cloth support portion of the other of the guide members in the state in which the first and second guide members are supported by the beam member, and the first and second guide members overlap each other in the weaving-width direction at adjacent ends thereof, thereby contacting and supporting the woven cloth from below at a position near a cloth fell of the woven cloth in a warp direction. a first guide member and a second guide member that are supported by the beam member and that extend in the weaving-width direction, wherein each of the first and second guide members of the woven cloth supporting apparatus includes an attachment base portion that is supported by the beam member and that includes an upwardly extending portion that extends at least upward, and a woven cloth support portion that extends toward the cloth fell from the upwardly extending portion of the attachment base portion and that includes a contact portion that contacts and supports the woven cloth at least at a cloth-fell-side end of the woven cloth support portion, wherein the first and second guide members are arranged so that the contact portion of the woven cloth support portion is at a height at which the contact portion supports the woven cloth in the weft guide groove of the reed at a beating-up time, characterized in that among the first and second guide members, one of the guide members is arranged such that the upwardly extending portion thereof is farther from the cloth fell than the upwardly extending portion of the other of the guide members and the woven cloth support portion thereof is above the woven cloth support portion of the other of the guide members in the state in which the first and second guide members are supported by the beam member, and the first and second guide members overlap each other in the weaving-width direction at adjacent ends thereof, thereby contacting and supporting the woven cloth from below at a position near a cloth fell of the woven cloth in a warp direction.