Lưu Thị Diễm Hương is a Vietnamese model and beauty pageant titleholder who won the title of Miss Vietnam World 2010.

[1] Diễm Hương was born on August 30, 1990, in Ho Chi Minh City, Vietnam.

Diễm Hương represented Vietnam in Miss Earth 2010 pageant where she placed in the Top 14 of the final night despite being a heavy favorite along with the winner.

Nicole Faria from India was crowned by Miss Earth 2009 Larissa Ramos from Brazil.

Diễm Hương was appointed by the national franchise holder to compete at Miss Universe 2012 in Las Vegas, Nevada, USA.