- Sabre
- Sachiko
- Saco
- Saddy
- Sadore
- Sadoro
- Saeno
- Saero
- Safir
- Safiro
- Sago
- Sagon
- Sailor
- Saimor
- Saito
- Saiz
- Sajero
- Salko
- Salu
- Salvo
- Sam
- Saman
- Samatro
- Samba
- Sambo
- Samboro
- Sami
- Samio
- Samion
- Samiran
- Samito
- Sammy
- Samut
- San
- Sanchez
- Sancho
- Sanchos
- Sandex
- Sandi
- Sando
- Sandokan
- Sandor
- Sandoro
- Sandox
- Sandro
- Sanjo
- Sano
- Santi
- Santino
- Santo
- Santos
- Santuro
- Sarek
- Saron
- Sarro
- Sarron
- Sascha
- Sastor
- Sasuke
- Sasum
- Sasumo
- Satchmo
- Satem
- Sato
- Satono
- Satoro
- Savash
- Schandor
- Scharky
- Scharly
- Scherlo
- Scheron
- Schikko
- Schinok
- Schroeder
- Scola
- Scoppy
- Scottl
- Scout
- Scouti
- Scoutin
- Scrollan
- Sean
- Sebah
- Sebaht
- Sebahto
- Selkie
- Semmay
- Semmi
- Sendl
- Seppel
- Sepply
- Sero
- Shabo
- Shadow
- Shakur
- Shaky
- Shalo
- Shamir
- Shandor
- Sharif
- Shark
- Sharko
- Sharky
- Shaun
- Sheiron
- Sherlock
- Shicco
- Shico
- Shin
- Shippo
- Shorty
- Shoto
- Silvan
- Silver
- Simon
- Simsen
- Simson
- Sinclair
- Sinok
- Sinto
- Sirco
- Sirk
- Sirko
- Sirkoro
- Sirky
- Siro
- Siron
- Sisco
- Skerry
- Skinner
- Skip
- Skipp
- Skipper
- Skippy
- Skizzo
- Skubie
- Sky
- Slash
- Smartie
- Smirre
- Smokey
- Snicki
- Snobs
- Snooker
- Snoopy
- Snow
- Socke
- Sokky
- Solan
- Soun
- Sparki
- Speedy
- Spencer
- Spike
- Spiky
- Spirou
- Spliff
- Spooky
- Spooner
- Spot
- Spud
- Spudy
- Sputnik
- Steel
- Stiffler
- Storm
- Strakel
- Strolch
- Stromer
- Stroppi
- Struppi
- Stuff
- Stups
- Sugar
- Suko
- Sultan
- Sunny
- Sykes