- Sagar
- Saldana
- Salsedo
- Salter
- Salvi
- Samra
- Sanchez
- Sanchez-Hopper
- Sanders
- Sandoval
- Santos
- Sargis
- Sarmiento
- Sauls
- Saunders
- Savelli
- Scarborough
- Schaefer
- Schafer
- Scharli
- Scheuber
- Schmidt
- Schock
- Schoorl
- Schroeder
- Schuelke
- Schulze
- Schuster
- Sciarini
- Scoto
- Scott
- Selk
- Sengsouny
- Sereno
- Serpa
- Setzekorn
- Sever
- Shafer
- Shahbaz
- Shallow
- Shamoun
- Shanahan
- Shank
- Sheldon
- Shelton
- Sherman
- Sholer
- Shummon
- Shuttera
- Sianez
- Sifers
- Sihota
- Siler
- Sill
- Silva
- Silvas
- Silveira
- Silvey
- Simi
- Simmons
- Simms
- Sinclair
- Singh
- Singharth
- Sizemore
- Skiles
- Slagel
- Smernes
- Smith
- Soderstrom
- Solem
- Solomon
- Soltau
- Sonke
- Sorensen
- Sousa
- Southern
- Sowder
- Sparks
- Spears
- Stai
- Stamy
- Stanislaw
- Starck
- Statzer
- Stavrakakis
- Stebbins
- Steele
- Steger
- Stelmaszczyk
- Stephens
- Sterling
- Stevans
- Stevenot
- Stevens
- Stewart
- Stires
- Stone
- Strait
- Street
- Streeter
- Strickland
- Stuit
- Sturdivan
- Sturm
- Su
- Suarez
- Suess
- Sulak
- Sullivan
- Sutton
- Swan
- Swank
- Swanson
- Swisegood