Andrea Heidi Seastrand (née Ciszek; born August 5, 1941) is a former one-term Republican member of the United States House of Representatives, serving from 1995 to 1997.

Seastrand was born Andrea Heidi Ciszek in Chicago.^[3][4] She graduated from DePaul University in 1963 with a B.A. in education, and then moved to Salinas, California to find work as an elementary school teacher.^[5] In 1965, she married Eric Seastrand, a stockbroker, and the couple had two children named Kurt and Heidi.^[5]

From 1982 to 1990, when her husband served in the California State Assembly as a Republican, Seastrand joined the California Federation of Republican Women, later becoming its president.^[5]

In 1990, Eric Seastrand died of cancer, and Andrea won a special election to succeed him, receiving 65 per cent of the vote.^[5] She remained a member of assembly for the next four years, serving on the education committee and as assistant minority leader.^[5][3]

Seastrand was elected to the U.S. House of Representatives in 1994, narrowly defeating Theology professor Walter Capps and succeeding fellow Republican Michael Huffington.^[5] Considered one of the more conservative members of the 104th Congress,^[6] she faced Capps again in 1996 and was defeated.^[5]

In 1997, after her departure from Congress, Seastrand founded the California Space and Technology Alliance—a private nonprofit focused on promoting California's participation in space ventures—which later became the California Space Authority.^[5] She remained executive director of the organization from its creation until its dissolution in 2011.^[7][8]

• Women in the United States House of Representatives