Zambia competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. The country's participation at London marked its twelfth appearance in the Summer Olympics since its début at the 1964 Summer Olympics. The delegation consisted of seven competitors; three track and field athletes Gerald Phiri, Prince Mumba and Chauzje Choosha, one each in Boxing and Judo and two swimmers, Zane Jordan and Jade Ashleigh Howard. Phiri, Mumba, Choombe and Munyonga had qualified by meeting the standards in their respective sports, and Choosha, Jordan and Howard qualified by wildcard places. Mumba was the national flag bearer at the opening and closing ceremonies.

Prince Moses Mumba is a Zambian former track and field athlete who specialized in the 800 meters. He competed for Zambia at the 2004 and the 2012 Summer Olympics. Mumba participated in three IAAF World Championships in Athletics, in 2005, 2009, and 2011. Additionally, he also represented Zambia in two All Africa Games in 2007 and 2011. He works as track and field coach at the Windward School in Mar Vista, California. Mumba was the flagbearer for Zambia at the 2012 Summer Olympics Opening and Closing Ceremonies. He was born in Kitwe, Zambia.