Phrynobatrachus calcaratus, the Boutry river frog or Peters' puddle frog, is a species of frog in the family Phrynobatrachidae. It is widely distributed in West Africa (Senegal, Guinea-Bissau, Guinea, Liberia, Ivory Coast, Ghana, Togo, Benin, and Nigeria, and possibly adjacent countries) and Middle Africa (Cameroon, Central African Republic, and Bioko (Equatorial Guinea), possibly wider).