| SY | Sy (Ardennes) | Sy, Ardennes |
| Syam Ben Youssef | Syðradalur, Kalsoy | Syðradalur, Streymoy |
| Syðrugøta | Syberia | Syberia 2 |
| Syberia II | Sybilla | Sybilla de Sace-Coburg-Gotha |
| Sybirak | Sybota | Sybreed |
| Syców | Sychesia | Syco |
| Syco Entertainment | Sycorax (satelit) | Sycow |
| Syd Barrett | Syd Chaplin | Syd Mead |
| Sydbank Arena Odense | Syddanmark | Sydenham |
| Sydenham (dezambiguizare) | Sydenham, New South Wales | Sydenham, Sydney |
| Sydne Rome | Sydney | Sydney (dezambiguizare) |
| Sydney 2000 | Sydney Boys High School | Sydney Brenner |
| Sydney Bristow | Sydney Chaplin | Sydney Chapman (dezambiguizare) |
| Sydney Chapman (matematician) | Sydney și Max | Sydney FC |
| Sydney Fowler | Sydney Fowler Wright | Sydney Futures Exchange |
| Sydney Greenstreet | Sydney Harbour Bridge | Sydney International |
| Sydney Opera House | Sydney Pollack | Sydney Rovers FC |
| Sydney, Australia | Sydney, New South Wales | Sydow (autor) |
| Sydow (biolog) | Sydower Fließ | Sydower Fliess |
| Sydradalur, Kalsoy | Sydradalur, Streymoy | Sydrugota |
| Syed Ahmad Khan | Syed Kamall | Syedra |
| Syene | Syfy | SyFy |
| Syke | Sykes | Sykes Enterprises |
| Sykies | Sykkylven | Syktyvkar |
| Syl Cheney-Coker | Sylda | Sylescaptia |
| Sylhet | Sylla | Syllimnophora |
| Sylling | Syllis ramosa | Sylosis |
| Sylt | Sylt-Ost | Sylte (Fræna) |
| Sylva Koscina | Sylvain Garant | Sylvain Wiltord |
| Sylvan Barnet | Sylvana Tomaselli | Sylvanès |
| Sylvania | Sylvania Waters | Sylvania Waters, New South Wales |
| Sylvania Waters, Sydney | Sylvania, New South Wales | Sylvania, Sydney |
| Sylver | Sylvester Barrett | Sylvester János |
| Sylvester Motanul | Sylvester Stallone | Sylvester Vizi |
| Sylvester vs. Austria | Sylvester, motanul | Sylvestre Ilunga |
| Sylvia | Sylvia (cântăreață) | Sylvia atricapilla |
| Sylvia borin | Sylvia cantillans | Sylvia communis |
| Sylvia curruca | Sylvia Fulda | Sylvia Hoișie |
| Sylvia Iparraguirre | Sylvia Kristel | Sylvia melanocephala |
| Sylvia nana | Sylvia nisoria | Sylvia Plath |
| Sylvia rueppelli | Sylvia ruppeli | Sylvia Sidney |
| Sylvia Sleigh | Sylvia Stolz | Sylvia Syms |
| Sylvia undata | Sylvia-Yvonne Kaufmann | Sylviane Ainardi |
| Sylvie Lubamba | Sylvie Meis | Sylvie van der Vaart |
| Sylvie Vartan | Sylviidae | Sylvilagus |
| Sylvioidea | Sylwester Chruszcz | Sylwia Lisewska |
| Symantec | Symbatios (asociat) | Symbian |
| Symbian OS | Symbiosis (Star Trek: Generaţia următoare) | Symbiosis (Star Trek: Generația următoare) |
| Symbiosis (Star Trek: The Next Generation) | Symbol (cor) | Symfony |
| Symmetrica | Symmetrodes | Symon Petliura |
| Symphimus | Symphita | Symphlebia |
| Symphlebomis | SymPhoenix/Timişoara | Symphoenix/Timişoara |
| SymPhoenix/Timișoara | Symphoenix/Timișoara | Symphonic black metal |
| Symphonic metal | Symphonic Metal | Symphonic rock |
| Symphonieorchester des Bayerischen Rundfunks | Symphony No. 10 (Beethoven/Cooper) | Symphony No. 25 (Mozart) |
| Symphony No. 94 (Haydn) | Symphony of Science | Symphony OS |
| Symphoral | Symphorce | Symphyomyrtus |
| Symphyrophus | Symphyta | Symphytognathidae |
| Symphytum officinale | Symplocaceae | Sympycnodes |
| Synageles | Synagelides | Synania |
| Synapsida | Synaptic | Syncerus |
| Syncerus caffer | Synchronic (film) | Syndey si max |
| Syndicat National de l'Édition Phonographique | Synelnykove | Synemosyna |
| Synergistic Software | Synergy (companie) | Synergy Construct |
| Synevo | Synevo România | Syngamoptera |
| Syngenta | Syngman Rhee | Syngnathidae |
| Syngnathiformes | Syngnathinae | Syngnathoidei |
| Syngnathus acus | Syngria | Synodianos |
| Synoecha | Synophis | Synot liga |
| Synot Tip Arena | Synothele | Synsepalum dulcificum |
| Syntarsus rhodesiensis | Syntherata | Syntherata janetta |
| Synthos | Synthpop | Synthrock |
| Synthyris | Syntomeida | Syntomidopsis |
| Syntomostola | Syntrichura | Synyster Gates |
| Syracusae | Syracuse University | Syracuse University Press |
| Syrah | Syrau | Syrfia |
| Syrgenstein | Syria | Syria Palaestina |
| Syrian Arab Federation for Football | Syrian Electronic Army | Syriana |
| Syrianska FC | Syringa | Syringa pubescens |
| Syringa vulgaris | Syrinx (mitologie) | SYRIZA |
| Syriza | Syrmia | Syrna (Arcadia) |
| Syroloma | Syrphidae | Syrrako |
| Syrrhaptes paradoxus | Syscom | Syscom 18 |
| Sysle | Sysma | Sysmä |
| Syssphinx | Système universitaire de documentation | System 1 |
| System 2 | System Management Bus | System of a Down |
| System of a down | System of a Down (album) | System-on-a-Chip |
| Systema Naturae | Systema naturae | Systembolaget |
| SystemC | Systemd | SystemRescue |
| SystemRescueCd | SystemRescueCD | Systronics |
| Sysvinit | Syukuro Manabe | Syvde |
| Syzran | Syzygium aromaticum | SZ |
| Szabadbattyán | Szabadbattyán, Fejér | Szabadbattyán, Ungaria |
| Szabadegyháza | Szabadegyháza, Fejér | Szabadegyháza, Ungaria |
| Szabadhídvég | Szabadhídvég, Fejér | Szabadhídvég, Ungaria |
| Szabadi | Szabadi, Somogy | Szabadi, Ungaria |
| Szabadka | Szabadkígyós | Szabadkígyós, Békés |
| Szabadkígyós, Ungaria | Szabadkigyos | Szabadsag |
| Szabadság | Szabadszallas | Szabadszállás |
| Szabadszentkirály | Szabadszentkirály, Baranya | Szabadszentkirály, Ungaria |
