S
- SA-N-1 Goa SAM
- SA-N-2 Guideline SAM
- SA-N-3 Goblet SAM
- SA-N-4 Gecko SAM
- SA-N-5 Grail SAM
- SA-N-6 Grumble SAM
- SA-N-7 Gadfly SAM
- SA-N-8 Gremlin SAM
- SA-N-9 Gauntlet SAM
- SA-N-10 Grouse SAM
- SA-N-11 Grisom SAM
- SA-N-12 Grizzly SAM
- Sea Cat SAM
- Sea Dart missile SAM
- SAET-50 Anti-Ship Torpedo
- SAET-60 Anti-Ship Torpedo
- Sea Gnat Decoy
- Sea Slug SAM
- Sea Wolf SAM
- SET-40 antisubmarine torpedo
- SET-53 antisubmarine torpedo
- SET-65 antisubmarine torpedo
- SET-72 antisubmarine torpedo
- Squid
- SM-4 SAM
- SM-39 Exocet USM
- Spearfish Torpedo
- SS-N-1 Scrubber SSM
- SS-N-2 Styx SSM
- SS-N-3 Sepal/Shaddock SSM
- SS-N-4 Sark SLBM
- SS-N-5 Serb SLBM
- SS-N-6 Serb SLBM
- SS-N-7 Starbright SSM
- SS-N-8 Sawfly SLBM
- SS-N-9 Siren SSM
- SS-N-12 Sandbox SSM
- SS-N-14 Silex SUM
- SS-N-15 Starfish SSM
- SS-N-16 Stallion SSM
- SS-N-17 Snipe SLBM
- SS-N-18 Stingray SLBM
- SS-N-19 Shipwreck SSM
- SS-N-20 Sturgeon SLBM
- SS-N-21 Sampson SSM
- SS-N-22 Sunburn SSM
- SS-N-23 Skiff SLBM
- SS-N-24 Scorpion SSM
- SS-N-25 Switchblade SSM
- Sting Ray torpedo
- SUBROC
Read more about this topic: List Of Naval Weapon Systems