Helena Dahlström (born 13 May 1968) is a Swedish former professional tennis player.

A right-handed player from Linköping, Dahlström was the girls' singles runner-up at the 1984 Australian Open.

[1] Dahlström competed on the professional tour in the late 1980s and reached a top singles ranking of 166.

She won the Australian Hard Court Championships in 1985 and featured in the main draw of the 1986 French Open as a qualifier.

[2] She appeared in two Federation Cup ties for Sweden in 1986, playing both singles and doubles in a World Group fixture against France, then in the consolations rounds against Belgium.