To provide a container conveyer capable of reducing a variation in a conveyance position of a container in a filling machine for stable conveyance with little variation in container position for each section of each process and easily adjusting a holder size corresponding to a container with a different corner size.

The container conveyer includes a container holder means A consisting of a plurality of parallelopiped container holders 2 for holding containers C slidably movably arranged side by side at equal intervals densely in a line outside a ring of a track rail 1, respective support arms 4, a sliding roll 5, a sliding plate 3 and a container holding rail 6 for holding the lower part of the container C put and conveyed in the holder 2 from below, and a container holder moving means B consisting of a pair of respective rotary disks 10 closely provided respectively along a pair of semicircular inner peripheral faces opposite at both longitudinal ends of the oval track rail 1 so that they can be driven to rotate and respective semicircular recesses 11 fitting a semicircular part of the sliding roll 5, respectively.