Names where authority is Frost, Grant, and Mendelson
- Class: Amphibia
- Order: Anura
- Family: Bufonidae
- Genus: Incilius
- Species: Incilius alvarius (Girard, 1859)
- Synonym: Ollotis alvaria — Frost, Grant, and Mendelson, 2006
- Species: Incilius aucoinae (O'Neill and Mendelson, 2004)
- Synonym: Ollotis aucoinae — Frost, Grant, and Mendelson, 2006
- Species: Incilius bocourti (Brocchi, 1877)
- Synonym: Ollotis bocourti — Frost, Grant, and Mendelson, 2006
- Species: Incilius campbelli (Mendelson, 1994)
- Synonym: Ollotis campbelli — Frost, Grant, and Mendelson, 2006
- Species: Incilius canaliferus (Cope, 1877)
- Synonym: Ollotis canalifera — Frost, Grant, and Mendelson, 2006
- Species: Incilius cavifrons (Firschein, 1950)
- Synonym: Ollotis cavifrons — Frost, Grant, and Mendelson, 2006
- Species: Incilius coccifer (Cope, 1866)
- Synonym: Ollotis coccifer — Frost, Grant, and Mendelson, 2006
- Species: Incilius coniferus (Cope, 1862)
- Synonym: Ollotis conifera — Frost, Grant, and Mendelson, 2006
- Species: Incilius cristatus (Wiegmann, 1833)
- Synonym: Ollotis cristata — Frost, Grant, and Mendelson, 2006
- Species: Incilius cycladen (Lynch and Smith, 1966)
- Synonym: Ollotis cycladen — Frost, Grant, and Mendelson, 2006
- Species: Incilius fastidiosus (Cope, 1875)
- Synonym: Ollotis fastidiosa — Frost, Grant, and Mendelson, 2006
- Species: Incilius gemmifer (Taylor, 1940)
- Synonym: Ollotis gemmifer — Frost, Grant, and Mendelson, 2006
- Species: Incilius holdridgei (Taylor, 1952)
- Synonym: Ollotis holdridgei — Frost, Grant, and Mendelson, 2006
- Species: Incilius ibarrai (Stuart, 1954)
- Synonym: Ollotis ibarrai — Frost, Grant, and Mendelson, 2006
- Species: Incilius intermedius (Günther, 1858)
- Synonym: Ollotis intermedia — Frost, Grant, and Mendelson, 2006
- Species: Incilius leucomyos (McCranie and Wilson, 2000)
- Synonym: Ollotis leucomyos — Frost, Grant, and Mendelson, 2006
- Species: Incilius luetkenii (Boulenger, 1891)
- Synonym: Ollotis luetkeni — Frost, Grant, and Mendelson, 2006
- Species: Incilius macrocristatus (Firschein and Smith, 1957)
- Synonym: Ollotis macrocristata — Frost, Grant, and Mendelson, 2006
- Species: Incilius marmoreus (Wiegmann, 1833)
- Synonym: Ollotis marmorea — Frost, Grant, and Mendelson, 2006
- Species: Incilius mazatlanensis (Taylor, 1940)
- Synonym: Ollotis mazatlanensis — Frost, Grant, and Mendelson, 2006
- Species: Incilius melanochlorus (Cope, 1877)
- Synonym: Ollotis melanochlora — Frost, Grant, and Mendelson, 2006
- Species: Incilius nebulifer (Girard, 1854)
- Synonym: Ollotis nebulifer — Frost, Grant, and Mendelson, 2006
- Species: Incilius occidentalis (Camerano, 1879)
- Synonym: Ollotis occidentalis — Frost, Grant, and Mendelson, 2006
- Species: Incilius periglenes (Savage, 1967)
- Synonym: Ollotis periglenes — Frost, Grant, and Mendelson, 2006
- Species: Incilius peripatetes (Savage, 1972)
- Synonym: Ollotis peripatetes — Frost, Grant, and Mendelson, 2006
- Species: Incilius perplexus (Taylor, 1943)
- Synonym: Ollotis perplexa — Frost, Grant, and Mendelson, 2006
- Species: Incilius pisinnus (Mendelson, Williams, Sheil, and Mulcahy, 2005)
- Synonym: Ollotis pisinna — Frost, Grant, and Mendelson, 2006
- Species: Incilius porteri (Mendelson, Williams, Sheil, and Mulcahy, 2005)
- Synonym: Ollotis porteri — Frost, Grant, and Mendelson, 2006
- Species: Incilius signifer (Mendelson, Williams, Sheil, and Mulcahy, 2005)
- Synonym: Ollotis signifer — Frost, Grant, and Mendelson, 2006
- Species: Incilius spiculatus (Mendelson, 1997)
- Synonym: Ollotis spiculata — Frost, Grant, and Mendelson, 2006
- Species: Incilius tacanensis (Smith, 1952)
- Synonym: Ollotis tacanensis — Frost, Grant, and Mendelson, 2006
- Species: Incilius tutelarius (Mendelson, 1997)
- Synonym: Ollotis tutelaria — Frost, Grant, and Mendelson, 2006
- Species: Incilius valliceps (Wiegmann, 1833)
- Synonym: Ollotis valliceps — Frost, Grant, and Mendelson, 2006
