The Sixty-Fourth Oregon Legislative Assembly convened for its regular session from January 12 to June 28, 1987, a total of 168 days.

The House speaker was Vera Katz (D–10 Portland), and the Senate president was John Kitzhaber (D–23 Roseburg).

1 Darlene Hooley resigned April 24, 1987 to accept appointment to the Washington County Board of Commissioners.

2 Ron Eachus resigned October 8, 1987 to accept appointment as Public Utility Commissioner.

3 George Trahern resigned his House seat to accept appointment to the Senate in March 1988.