- Sanduy's Comet
- Sandwich
- Sandy Holst
- Sandy Schofield
- Sandy Wetzel
- Sanek
- Sanelar
- Sangano
- Sangdor (planet)
- Sangdor Principality
- Sangdor picket ship
- Sanger
- Sanibel Island
- Saniem
- Sanioth
- Sanir Kein
- Sanjara
- Sanjuro
- Sankey
- Sankrax
- Sankur
- Sannid
- Sanoora
- Sanoora host planet
- Sanoora world ship
- Sanshiin
- Santa Clara
- Santa Claus
- Santa Fe class
- Santa Helena
- Santa MarÃa
- Santangelo
- Santangelo (disambiguation)
- Santar
- Santiago
- Santiago (disambiguation)
- Santin
- Santini
- Santir
- Santora
- Santora Prime
- Santos
- Sanurna
- Sanvada
- Sao 533
- Sao Paulo class
- Saowin
- Sapeb
- Sapha-phaa
- Saphek
- Sapotius
- Sapp
- Sapphire Spire
- Sapphire class
- Sappora VII
- Sapte
- Saqdev
- Saqwa'
- Sar
- Sar'kell
- Sar (disambiguation)
- Sar 6
- Sar Antillea
- Sar Este system
- Sara
- Sara (disambiguation)
- Sara George
- Sara Kester
- Sara Nave
- Sara Paul
- Sara Pichelli
- Sara Pran Yee
- Sara Tuchinsky
- Saracles
- Sarah A. Hoyt
- Sarah A. Seaborne
- Sarah April (mirror)
- Sarah Brennan
- Sarah Garrett
- Sarah Gaydos
- Sarah Gilman
- Sarah Hastings
- Sarah Hatcher
- Sarah Jane Smith
- Sarah Kilmer
- Sarah Lopez
- Sarah MacDougal
- Sarah Meier
- Sarah Peterson
- Sarah Poole-April
- Sarah Shaw
- Sarah Sisko
- Sarah Susan Eckert
- Sarahd
- Sarahd (Ambassador)
- Sarai
- Sarajevo
- Sarajevo (NC-27)
- Sarajevo (disambiguation)
- Sarak Center
- Saraka
- Saransk
- Sarasota
- Saratoga
- Saratoga (NV-20)
- Saratoga (novel)
- Saraven
- Sarboran
- Sarcophagus
- Sarcophagus (starship)
- Sarda
- Sarda (DS9)
- Sardah System Patrol
- Sardakan
- Sardalia system
- Sardax
- Sardev
- Sardick
- Sardix
- Sardopolous
- Sarek
- Sarek's dilemma
- Sarek's scout ship
- Sarek (Kelvin timeline)
- Sarek (alternates)
- Sarek (episode)
- Sarek (mirror)
- Sarek (novel)
- Sarek School of Diplomacy and Ambassadorial Studies
- Saren
- Saren-Sah
- Sargam
- Sargassian wufti juice
- Sargasso Sector
- Sargasso sector
- Sargon
- Sariel Rager
- Sarimun
- Sarin
- Sarin (Commodore)
- Sarin (Kesprytt)
- Sarin (Suliban)
- Sarina Douglas
- Sarina Douglas (mirror)
- Sarina Kaur
- Sarish Minna
- Sarish Rez
- Sarissa
- Sarita Carson
- Sarita System Patrol
- Sarith
- Sarium krellide
- Sarium krellide battery
- Sarjat Ramapoor
- Sarjenka
- Sark
- Sark Enaren
- Sark Region
- Sarkadesh
- Sarkassian
- Sarl Kagan
- Sarlak
- Sarli Preel
- Sarlis Gaspadral
- Sarn
- Sarn (linename)
- Sarola
- Sarona VIII
- Saronan
- Sarond
- Sarpedion V
- Sarpeidon
- Sarpeidon leather
- Sarpk
- Sarr Theln carrier
- Sarr Theln class
- Sarsis Plant 1
- Sarsith
- Sarsithia
- Sarsithia system
- Sartai
- Sartak
- Sartan class
- Sarti
- Sartorix
- Sartusian pit bull
- Saru
- Saru (mirror)
- Sarus Pax 1
- Sasaud
- Sasav
- Sascha Money
- Sasdren
- Sasel
- Sash'ivara
- Sasha Rodriguez
- Sasquatch 1
- Sataghni
- Satai
- Satak
- Satan's Robot
- Satan's Robot Conquers the World
- Satar
- Satchel Paige
- Sateen
- Satelk
- Satellite
- Satellite Defense
- Sath
- Sath'har Archipelago
- Satie
- Satlin Ra-Graveness
- Sato (disambiguation)
- Sato Dynasty
- Sato Linguistics Institute
- Satoki Nebula
- Satr
- Satran
- Satrox
- Sattar
- Sattenik
- Sattler
- Saturday's Child
- Saturn
- Saturn's Children
- Saturn (disambiguation)
- Saturn (mythology)
- Saturn V
- Saturn class
- Saturn drydock
- Sauce
- Saucepan
- Saucer separation
- Saudi Arabia
- Saul Rubichik
- Saur system
- Saura
- Sauria
- Saurian
- Saurian brandy
- Saurik
- Sauropod
- Saurussa
- Sausage
- Sausalito
- Saushulima
- Sav-A-Ship
- Savaaroa sh'Nuillan
- Savage Syndrome
- Savage Trade
- Savaj
- Savak (24th century)
- Savalek
- Savalor
- Savannah
- Savannah Ring
- Savant
- Savar (21st century)
- Savar (Commander)
- Savar (Rear Admiral)
- Saveb
- Savek
- Savel
- Savella
- Savior
- Savior class
- Savira
- Savitri Bhatnagar
- Savola-Cov
- Savonigar
- Savoy
- Savro Kerav
- Sawbones
- Saweoure
- Sawmill
- Sawyer
- Sawyer class
- Saxophone
- Saya
- Saylor
- Sazzafraz
- Scaean Gate
- Scaean Gate (Troy)
- Scaldori
- Scalin Resk
- Scalos
- Scalosian
- Scalp Belt
- Scalpel
- Scan
- Scandal of Archimedes
- Scandavian Sunset
- Scandha'
- Scandium
- Scanner
- Scaptar
- Scar
- Scarecrow
- Scarface
- Scavenger
- Scavenger rifle
- Scavengers
- Scavengers (episode)
- Scent Seeker
- Scent Trance
- Scepter
- Scepter of Ket'cha
- Scepter of Truth
- Sceptre of Betazed
- Sceptre of the Sun
- Sceptre of the Sun (comic)
- Schaeffer (disambiguation)
- Schar's
- Scheat III
- Schechter
- Scheherazad
- Scheldt River
- Schickard Crater
- Schiller
- Schimmerman
- Schirmeister
- Schism, Issue 1
- Schism, Issue 2
- Schism, Issue 3
- Schisms
- Schizophrenia
- Schlecht
- Schlitz Periodicals
- Schmidt
- Schmidt (disambiguation)
- Schmitt
- Schmitter
- Schnauzer
- Schneider
- Scholz
- School
- School (DS9)
- School bell
- School of Nirak
- Schools of Great Warriors
- Schooner
- Schroeder
- Schroeder (disambiguation)
- Schroeder I
- Schroeder II