• Schizophrys aspera Nokogiri-gani
  
• Scina borealis
• Scopimera bitympana Futamado-kometsuki-gani
  
• Scopimera globosa Sand bubbler crab
  Kometsuki-gani
  
• Scopimera longidactyla Yubinaga-kometsuki-gani
  
• Scutumara enodis Okinawa-hiraiso-modoki
  
• Scylla olivacea Orange mud crab
  Akate-nokogiri-gazami
  
• Scylla paramamosain Toge-nokogiri-gazami
  
• Scylla serrata Mangrove crab
  Nokogiri-gazami
  
• Scylla tranquebarica Tranquebar-nokogiri-gazami
  
• Scyra compressipes Hira-tsunogani
  
• Seiitaoides orientalis Kofuki-tsunogani
  
• Sepia elegans
• Sepia officinalis
• Sepia orbignyana
• Sepiella japonica
• Sepietta neglecta
• Sepietta oweniana
• Sepiola atlantica
• Sepiola aurantiaca
• Serenius ceylonicus Hime-úmore-ohgigani
  
• Serenius gemmula Dana-úmore-ohgigani
  
• Sergestes arcticus
• Sergia robusta
• Sesarmops impressum Taiwan-benkeigani
  
• Sesarmops intermedius Benkeigani
  
• Sesarmops sinensis China-benkeigani
  
• Simocarcinus longirostris Tsurukubi-konohagani
  
• Simocarcinus obtusirostris Tsunodashi-konohagani
  
• Simocarcinus simplex Kamakubi-konohagani
  
• Siriella armata
• Siriella clausii
• Siriella jaltensis
• Siriella norvegica
• Skogsbergia megalops
• Soestia zonaria
• Solmaris corona
• Spadella cephaloptera
• Speocarcinus laevimarginatus Satsuma-konohagani
  
• Sphaerodromia kendalli Togari-kaikamuri
  
• Sphaerozius nitidus Subesube-ohgigani
  
• Spirontocaris lilljeborgii
• Spirontocaris phippsii
• Spirontocaris spinus
• Staurophora mertensii
• Stelgistra stormi Sumatra-íwagani
  
• Stenoteuthis pteropus
• Stilbognathus cervicornis Kudame-tsunogani
  
• Stimdromia angulata Tsuno-hiraáshi-kamuri
  
• Stimdromia kosugei Kosuge-kamuri