This article is a list of all the musical instruments mentioned or shown in the series.
Woodwinds
- Clarry - The clarinet used by Squidward in multiple episodes.
- Howard's Bassoon - A bassoon used by Howard in "New Fish in Town"
- Flute - Instrument scored for the The Suction Cup Symphony.
Brass
- Tuba - Instrument scored for the The Suction Cup Symphony.
- Trumpet - Instrument scored for the The Suction Cup Symphony.
Strings
- Bassinet - An instrument resembling a double bass that was played in "Naughty Nautical Neighbors."
- Violin - Instrument scored for the The Suction Cup Symphony.
- Cello - Instrument scored for the The Suction Cup Symphony.
Plucked strings
- SpongeBob's Ukelele - An instrument that SpongeBob plays in "Hello Bikini Bottom!"
- Harp - Instrument scored for the The Suction Cup Symphony.