Tsunami, a big destructive wave

Tsunami of 2004 in the Indian Ocean

Tsunami (keyboard), a tradename for a make of computer keyboard

Tsunami, a song by Southern All Stars

Tsunami (Tenchi Muyo!), a character in the Tenchi Muyo! anime multi-verse

Tsunami (surfboard), a make of surfboard

Takeru "Tsunami" Kobayashi, a Japanese competitive eater

Tsunami, fragrance by Axe Deodorant Body Spray

Tsunami (DC Comics), a character in DC Comics

Tsunami Bomb, a punk-rock band.

Tsunami (band), an indie-rock band of the early 1990s

Tsunami: The Aftermath, a 2006 television miniseries

Satoshi Tsunami, a Japanese football (soccer) coach and former international player

Tsunami, a song by Prozzäk

Tsunami (Marvel Comics), a failed imprint of Marvel Comics

Tsunami 100, a trademarked brand name for a chemical made by Ecolab.

Tsunami, a song by Jimi Tenor

Tsunami (political), a term used to describe an overwhelming victory by one political party

Tsunami (MPEG encoder), a MPEG-1 and MPEG-2 software encoder

Tsunami (album), album containing ten tracks picked by Tsunami Tranceport

Tsunami puzzle, also called a Nonogram, or "Paint by numbers" puzzle

Tsunami Records, a record company created by Ferry Corsten and friend Robert Smit

Tsunami, a minor character in the Japanese anime Naruto

Tsunami, a song by the Manic Street Preachers

Tsunami (Khoma album), album by Khoma.

Arashi Tsunami, a Japanese voice actor.