All instruments A–Z
- Slit drums in Ambrym Island
- Smart doorbell
- Snare drum
- Sneng
- Sodina
- Sogeum
- Sohaegeum
- Solid body
- Song bells
- Sopila
- Sopilka
- Sopranino recorder♪
- Sopranino saxophone
- Sopranino trombone
- Sopranist
- Soprano♪
- Soprano clarinet
- Soprano flute
- Soprano helicon
- Soprano recorder
- Soprano sarrusophone
- Soprano saxophone♪
- Soprano trombone
- Soprillo
- Sotto voce
- Soubrette
- Sound module
- Sound truck♪
- Sound trucks in Japan
- Soundbar
- Sounding stone
- Souravli
- Sousaphone
- Spilåpipa♪
- Spinettone
- Spinning top
- Spitzharfe
- Splash cymbal
- Sprechgesang
- Square piano
- Squeezebox
- Sralai
- Sring
- Sruti upanga
- Stabule
- Stagemaster
- Standing bell♪
- Starcaster by Fender
- Starosvitska bandura
- Station bell
- Steel guitar
- Steel-string acoustic guitar
- Steelpan
- Steinway D-274
- Steinway Vertegrand
- Steirische Harmonika
- Stenomask
- Stevie Ray Vaughan Stratocaster
- Stoessel lute
- Stomp box
- Stone marimba
- Stradivarius
- Straight alto
- Streamer bass
- Street organ
- String♪
- String instrument
- String synthesizer
- Stroh violin
- Struck idiophone
- Strum
- Studio monitor
- Stylophone♪
- Sub-great bass recorder
- Subcontrabass clarinet
- Subcontrabass flute
- Subcontrabass saxophone
- Subcontrabass tuba
- Subwoofer
- Sudrophone
- Sueng
- Suikinkutsu♪
- Suka♪
- Sulibao
- Suling♪
- Sumui
- Suona♪
- Superstrat
- Surbahar
- Surdo
- Surma-horn
- Suroz
- Sursingar
- Suspended cymbal
- Suzu
- Svirel
- Swallow's nest organ
- Swarabat
- Swarmandal
- Swazzle
- Swedish bagpipes
- Swedish cowhorn
- Swedish lute
- Swish cymbal
- Sybyzgy
- Sympathetic string
- Symphonic organ
- Synclavier
- Synthesizer♪
- Syrinx♪
- Sámi drum
- Sáo
- Sênh tiền
- T'rưng
- T'yngryng
- Taal♪
- Taarija
- Tabla♪
- Tabor♪
- Tack piano
- Taepyeongso
- Tahitian ukulele
- Taiko
- Taille
- Taishōgoto
- Takumbo
- Talempong
- Talharpa
- Talk box
- Talking drum♪
- Tamak'
- Tambin
- Tambora♪
- Tambori
- Tamborim
- Tamborita calentana
- Tambouras
- Tambourin
- Tambourine♪
- Tambourine de Bearn
- Tambu drum
- Tamburica
- Tan-tan
- Tanbur
- Tanbūra
- Tanggu
- Tangmuri
- Tanpura
- Taonga pūoro
- Taphon