- Jakob Tengström (1755–1832), the first Archbishop of Turku
- Carl Fredrik Tengström, accountant of the Senate of Finland, nephew of Jakob Tengström
- Johan Jakob Tengström (1787–1858), scientist and author, nephew of Jakob Tengström
- Johan Robert Tengström (1823–46), philosopher, son of J. J.
- Erik Tengström (1913–1996), Swedish astronomer and geodesist
- G. Tengström, member of the January Commission in 1861
- Oscar Tengström, actor, founder of the Lilla Teatern