Thiran may refer to:

• Thiran Dhanapala, Sri Lankan cricketera
• Patrick Thiran, Swiss engineer

• Nine-ball (disambiguation)
• Nine-banded Armadillo
• Nine Books of Memorable Deeds and Sayings
• Ninebrassmonkeys
• Nine Bridges Bridge
• Nine Brother Kherkheulidze
• Nine Brothers Kherkheulidze
• Nine Cantons
• Nine Cardinal Principles of the rule of the English Rajah
• Nine Changes
• Nine Chapter Law
• Nine Circles
• Nine Circles (play)
• Nine (Circus Maximus)
• Nine (Circus Maximus album)
• Nine-cis-epoxycarotenoid dioxygenase
• Nine course meal
• Nine dashed line
• Nine-Dash Line
• Nine-dash map
• Nine Daughters of Aegir
• Nine Daughters of AEgir
• Ninedays
• Nine Days that Changed the World
• Nine-day week