Blomberg is a surname. Notable people with the surname include:
- Freiherr von Blomberg family
- Barbara Blomberg (1527-1597), mistress of Charles V
- Astrid Blomberg (born 1937), Swedish curler
- Craig Blomberg (born 1955), American theologian
- Hugo von Blomberg (1820–1871), German artist and poet
- Jaakko Blomberg (born 1942), Finnish diplomat
- Jan Axel Blomberg (born 1969), Norwegian drummer
- Leif Blomberg (1941–1998), Swedish trade unionist and politician
- Martin P. Blomberg (1888–1966), Swedish-American engineer
- Ron Blomberg (born 1948), American baseball player
- Werner von Blomberg (1878–1946), German politician and military officer