Mahbubul Alam (Arabic: محبوب العالم), also rendered Mahbub Alam, is a Muslim masculine given name of Arabic origin. It may refer to:
- Mehboob-ul-Alam Hamza Makhdoom (1494–1576), Kashmiri Sufi mystic
- Mahbub Alam (1863–1933), Indian journalist and publisher
- Mahbubul Alam (1898–1981), Bangladeshi author
- Mahbub Ul Alam Choudhury (1927–2007), Bangladeshi poet and language activist
- Mahbub Alam Chashi (1927–1983), Bangladeshi public official and social worker
- Mahbubul Alam (1936–2014), Bangladeshi journalist and adviser to the government
- Mahbubul Alam Tara (1939–2014), Bangladeshi entrepreneur and politician
- Mehboob Alam (1948–1994), Pakistani actor
- Mahbubey Alam, designated senior counsel and Attorney General of Bangladesh
- Mahbubul Alam Nawabganji, Bangladeshi politician
- Mahbub Alam (born 1956), Indian politician
- Mahbubul Alam Hanif (born 1959), Bangladeshi politician
- Mahboob Alam (born 1968), Pakistani politician
- Mohamed Mahbub Alam (1975–2010), Bangladeshi sprinter
- Mehboob Alam Khan, Hyderabadi cook
- Mahbub Alam Pollab (born 1978), Bangladeshi-Korean actor
- Mehboob Alam (born 1981), Nepalese cricketer
- Mahbubul Alam (born 1983), Bangladeshi cricketer
- Mahbubul Alam Anik (born 1996), Bangladeshi cricketer