Bulaimu Muwanga Kibirige (2 October 1953 – 10 September 2021), commonly known as BMK, was a Ugandan businessman, entrepreneur, and hotel owner. According to a 2012 published report, he was one of the wealthiest people in Uganda.

The 14 year old school drop out Bulayimu Muwanga kivumbi started to work in his father's restaurant in Masaka before starting his trading related works. He opened up some trading outlets in Kampala, Nairobi, Bangkok and Thailand between 1973 and 1976. Hailing from Matanga in Buddu County, Masaka District, in 1986 he started a general trade and manufacturing company. He was known for his investments in real estate, construction equipments, motorcycle distributorships and foreign exchange bureaus across East and Central Africa. BMK is the brain behind boda-boda rides in Uganda - a transport mechanism that was used mostly at the border of Uganda and Kenya. He later began their export direct from Japan starting the boda boda culture. In 1997, BMK started with the 40-room motel Hotel Africana, on Kololo Hill, located in Kampala's central business district. Over the next decade, the hotel grew into a four-star establishment.

BMK was the chairman and managing director of the BMK Group of companies, whose member businesses include:

1. Hotel Africana Kampala, 2-4 Wampewo Avenue, Kololo Hill, Kampala, Uganda

2. Hotel Africana Moroto, Moroto City, Uganda

3. Hotel Africana Lusaka, Lusaka, Zambia

4. BMK Motorcycles (U) Limited, Nateete, Kampala, Uganda

5. BMK Motorcycles (K) Limited, Nairobi, Kenya