Provided are an optical reflection film that uses an aqueous coating liquid for generating at refractive index, has a low production cost, is able to have a large area, and has a high coating film thermal stability, a method of manufacturing the optical reflection film, and an optical reflection body provided with the optical reflection film.An optical reflection film containing, on a substrate, at least one unit in which a high refractive index layer and a low refractive index layer are laminated,the optical reflection film containing, in the high refractive index layer, metal oxide particles, andat least one of a polysaccharide alkyl ether compound, a saccharide (A) in which a main sugar chain by a 1,4 bond has 100 or less average chains, a branch structure by a 1,6 bond is present, and the branched sugar chain has 1 to 20 average chains, and a compound (A) having a saccharide structure in which a main sugar chain by a 1,4 bond has 100 or less average chains, a branch structure by a 1,6 bond is present, and the branched sugar chain has 1 to 20 average chains.