Provided are: a laminated polyester film having excellent mechanical properties, transparency, heat resistance, gas barrier characteristics, and slidability; and a film roll formed by rolling up saidfilm. This laminated polyester film comprises a polyester film and a cover layer, the laminated polyester film being characterized in that: the polyester film is a biaxially oriented polyester film that comprises a dicarboxylic acid component including furandicarboxylic acid as a main component, and a glycol component including ethylene glycol as a main component; the cover layer is provided on atleast one surface of said polyester film; and the laminated polyester film has a planar orientation coefficient [delta]P of from 0.005 to 0.200 inclusive and a thickness of from 1 [mu]m to 300 [mu]minclusive.