Savage's thin-toed frog 
Scaphiophryne brevis 
Schneider's toad 
Schulte's Robber Frog 
Screaming tree frog 
Sculpted Madagascar Frog 
Seep frog 
Serranobatrachus delicatus 
Serranobatrachus insignitus 
Serranobatrachus megalops 
Serranobatrachus sanctaemartae 
Serrate-legged Treefrog 
Sharp-nosed Forest Toad 
Sharp-nosed Toad 
Sharp-nosed Treefrog 
Sharp-snout Saddled Tree Frog 
Shillong bubble-nest frog 
Short-footed Frog 
Sierran Chorus Frog 
Sipurio snouted treefrog 
Sira poison dart frog 
Slender Tree Frog 
Slender-legged Horned Frog 
Small Flying Frog