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Miss Thailand Universe 2006, the seventh Miss Thailand Universe pageant held at Centara Grand at Central Plaza Ladprao Bangkok, in Bangkok, Thailand on 25 March 2006. The 44 contestants arrived in Nakhon Sawan to do some activities a week earlier before coming back to Bangkok to compete in the final round.

In the final round, broadcast live on BBTV Channel 7, Charm Onwarin Osathanond, was crowned Miss Thailand Universe 2006 by Natalie Glebova, Miss Universe 2005 from Canada.

Charm Onwarin Osathanond represented Thailand in Miss Universe 2006 pageant in Los Angeles, United States. She is the first Thai representative in 18 years to enter the semi-finalists round after Porntip Nakhirunkanok, Miss Universe 1988 did in 1988.

• Miss Thailand Universe official website