Tiara (disambiguation)
A tiara is a form of crown.

Tiara may also refer to:

Arts & Music 
 Tiara (album), by Seventh Wonder
 "Tiara" (poem), by Mark Doty
 A song from the 1999 album Rockology
 T-ara, South Korean girl group

Machines 
HMS Tiara (P351), British submarine
Tiara Yachts, US-based boat manufacturer
Tiara Air, Aruba-based airline
Continental Tiara series of aircraft engines
 A name used in some markets for the Toyota Corona's T20 and T30 series sedan models
Proton Tiara, Malaysian car

Other 
TIARA (database), genomics database
Tiara Records, US-based record label

People with the name Tiara 
Tiara Andini (born 2001), Indonesian singer
Tiara Jacquelina (born 1967), Malaysian actress
Tiara Malcom (born 1983), American college basketball coach
Tiara Rosalia Nuraidah (born 1993), Indonesian badminton player
Tiara Andini Prastika (born 1996), Indonesian cyclist
Tiara Purifoy, participant in American Idol (season 3)

Fictional character 
 Lady Tiara, a character from the OVA series Shamanic Princess
 Tiara, a character from Lapis Re:LiGHTs
 Tiara, a character from the video game Super Mario Odyssey
 Tiara, a character from Higeki no Genkyou to naru Saikyou Gedou Last Boss Joou wa Min no tame ni Tsukushimasu
 Minamoto Tiara from Jibaku Shounen Hanako-kun

See also
 Taira (disambiguation)
 Tierra (disambiguation)