- Judeo-Spanish@ (4)
- Low Saxon@ (0)
- Old Church Slavonic@ (0)
- Phillipine Spanish Creole@ (2)
- Saanich@ (1)
- Salish@ (3)
- Sami@ (4)
- Samoan@ (2)
- Sanish@ (2)
- Sanskrit@ (40)
- Saraiki@ (0)
- Sardinian@ (1)
- Sasak@ (0)
- Sauk@ (3)
- Scots@ (7)
- Scottish Gaelic@ (78)
- Seediq@ (4)
- Sekani@ (0)
- Seneca@ (5)
- Serbo-Croatian@ (6)
- Shawnee@ (4)
- Shiwiar@ (2)
- Shona@ (1)
- Shoshoni@ (5)
- Shuar@ (2)
- Sierra Leone Krio@ (1)
- Sign Language of Singapore@ (0)
- Siksika@ (4)
- Singlish@ (8)
- Sinhala@ (1)
- Sioux@ (5)
- Skarure@ (5)
- Skiri@ (3)
- Slovak@ (4)
- Slovenian@ (5)
- Sogdian@ (1)
- Solomon Island Pidgin@ (1)
- Sorbian@ (1)
- Spanish@ (52)
- Spanish Sign Language@ (2)
- Sranan@ (0)
- Stoney@ (4)
- Sumerian@ (2)
- Swahili@ (7)
- Swedish@ (7)
- Swedish Sign Language@ (2)
