- Robert Ruiter
- Robert Rupp
- Robert Sack
- Robert Sacks
- Robert Saffelle
- Robert Salad
- Robert Salame
- Robert Salamon
- Robert Sallander
- Robert Samit
- Robert Saraceno
- Robert Satow
- Robert Saunders
- Robert Schaul
- Robert Schaul
- Robert Scherl
- Robert Schiappacasse
- Robert Schill
- Robert Schmidt
- Robert Schmidt
- Robert Schneiderman
- Robert Schnell
- Robert Schofield
- Robert Schroeder
- Robert Schumer
- Robert Schwartz
- Robert Schwartz
- Robert Schönfeld
- Robert Sciaraffo
- Robert Seber
- Robert Segessenmann
- Robert Seidel K.C.
- Robert Seidler
- Robert Sell
- Robert Seminara
- Robert Shan
- Robert Sharpe
- Robert Shaw
- Robert Shearer
- Robert Sheehy, Jr
- Robert Shen
- Robert Shepler
- Robert Shilton
- Robert Shilton
- Robert Shmalo
- Robert Shuford
- Robert Sichel
- Robert Siegel
- Robert Signorino
- Robert Simon
- Robert Singer
- Robert Sires
- Robert Skandalaris
- Robert Slinkard
- Robert Small
- Robert Smith
- Robert Smith
- Robert Smith
- Robert Smith
- Robert Smith
- Robert Smith
- Robert Snyder
- Robert Sorrel
- Robert Sorrell
- Robert Spass
- Robert Speer
- Robert Spellman
- Robert Sperry
- Robert Spies
- Robert Spigner
- Robert Sroka
- Robert Stanley
- Robert Starnes
- Robert Stead
- Robert Stebbins
- Robert Steel
- Robert Stein
- Robert Stein
- Robert Stephenson
- Robert Stewart
- Robert Stier
- Robert Stone
- Robert Strauss
- Robert Stromberg
- Robert Stroud
- Robert Strouse
- Robert Stuckey
- Robert Sturgeon
- Robert Stutz
- Robert Sudo
- Robert Suffoletta
- Robert Sullivan
- Robert Sussman
- Robert Sveen
- Robert Swanson
- Robert Swindell
- Robert Sydow
- Robert Sylvester
- Robert Tadashi Matsuishi
- Robert Takacs
- Robert Tannous
- Robert Taylor
- Robert Taylor
- Robert Taylor
- Robert Tedesco
- Robert Tengdin
- Robert Theissen
- Robert Theleen
- Robert Thompson
- Robert Thorpe
- Robert Tirschwell
- Robert Toan
- Robert Townsend
- Robert Trevisani
- Robert Trudeau
- Robert Tuchscherer
- Robert Tucker
- Robert Tunheim
- Robert Turnipseed
- Robert Tweel
