Ernst Abraham Dahlström (26 March 1846 – 16 January 1924) was a Finnish businessman and philanthropist.
Dahlström inherited his father's position as manager of trading house C.M.
Dahlström.
His younger brother Magnus Dahlström joined in soon after.
The brothers made significant donations to their home town Turku.
Dahlström worked as manager of Kymi Papermill in 1873–1904 and board member of the subsequent Kymin Oy.
He developed the Finnish insurance sector and shipbuilding.
Dahlström also had a significant role in development of Turku shipbuilding industry.