• Species and lower taxa
• Higher taxa
• Common names

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Sabine map turtle

San Cristóbal (Chatham) Island tortoise

San Juanico mud turtle

Santa Cruz (Indefatigable) Island tortoise

Santiago (James) Island tortoise

Sardinian pond turtle

Savannah side-necked turtle

Saw-shelled snapping turtle

Scorpion mud turtle

Senegal flapshell turtle

Serrated hinge-back tortoise

Serrated snapping turtle

Serrated tortoise

Seychelles black mud turtle

Seychelles giant tortoise

Seychelles mud turtle

Seychelles yellow-bellied mud turtle

Shanghai softshell turtle

Short-necked alpha

Siamese temple turtle

Side-necked river turtles

Side-necked turtles

Side-necked turtles

Siebenrock's Caspian turtle

Siebenrock's snake-necked turtle

Six-footed tortoise

Six-tubercled Amazon River turtle

Six-tubercled river turtle

Slider turtles

Smooth softshell turtle

Snake-eating turtle

Snake-necked turtles

Snapping turtles

Snapping turtles

Softshell turtles

Sonoran mud turtle

Sonoran mud turtle

Sonoyta mud turtle

South African bowsprit tortoise

South African star tortoises

South American river turtle

South American side-necked swamp turtles

South American side-necked turtles

South American snake-necked turtle

South American snake-necked turtles

South American snapping turtle

Southeast Asian box turtle

Southeast Asian box turtle

Southeast Asian narrow-headed softshell turtle

Southern black-knobbed map turtle

Southern Orbigny's slider

Southern Pacific pond turtle

Southern painted turtle

Southern speckled padloper

Southern spider tortoise

Southern spotted box turtle

Southern stripe-necked leaf turtle

Southern white-lipped mud turtle

Spanish pond turtle

Speckled padloper

Speke's hinge-back tortoise

Spider tortoises

Spiny softshell turtle

Spiny turtle

Spiny-neck turtle

Spot-legged turtle

Spotted box turtle

Spotted pond turtle

Spotted pond turtles

Spotted turtle

Spotted-bellied Caspian turtle

Spotted-bellied side-necked turtle

Spotted-legged turtle

Spur-thighed tortoise

Spur-thighed tortoise

Sri Lanka black turtle

Starred tortoise

Starred tortoise

Steindachner's snake-necked turtle

Stinkpot turtle

Stripe-necked musk turtle

Stripe-necked turtles

Striped mud turtle

Striped narrow-headed softshell turtle

Sub-Saharan flapshell turtles

Sulawesi forest turtle

Suwannee river cooter

Swinhoe's softshell turtle