List of Famous people born on December 21st

Abdul Ghani Kasuba is an Indonesian politician and the current governor and former lieutenant governor of North Maluku.

Wael Khalil is an Egyptian political activist known for his criticism of the Mubarak regime, his activity during the 2011 Egyptian revolution, and his blog WaELK.net which covers government, activism and sports.

Keshya Nurvita Hanadia is a badminton player from Indonesia. She won the 2008 Smiling Fish in mixed doubles with Lingga Lie. In 2011, she won in the same discipline at the Indonesia International together with Andhika Anhar. In the women's doubles event, she was the champion of the Auckland International.

Mohammad Fahmi Al-Ayyubi is an Indonesian professional footballer who plays for Liga 1 club Bali United as a winger.

Lap-Chee Tsui is a Chinese-born Canadian geneticist and served as the 14th Vice-Chancellor and President of the University of Hong Kong.