Mae Yih (; born May 24, 1928), is a former member of both houses of the legislature of the U.S. state of Oregon. She is the first Chinese American to serve in a state senate in the United States.

Yih was born as Chih Feng Dunn on May 24, 1928 in Shanghai, China, to Chun Woo and Fung Wen Feng Dunn.

In September 1948, Yih transferred to Barnard College, graduating in 1951 with a bachelor's degree in economics. While at Barnard, the president of the college, Millicent McIntosh, encouraged the students to be involved in decision making. Yih later stated that this served as an inspiration to enter politics. Following the completion of her undergraduate studies, Yih began work on a master's degree in accounting at Columbia University, which she did not complete.

On June 7, 1953, Yih married Stephen Yih at the Riverside Church in New York City. Stephen Yih worked for Wah Chang Corporation, which transferred him to Albany, Oregon in 1956. Yih accompanied him on the move. Stephen Yih was the founder of Wah Chang Corporation, Albany and was president for 20 years. He died in March 2009.

In Albany, Yih volunteered at her children's school, eventually running for the local school board. Yih won the election, defeating a Republican opponent who had 14 years of incumbency. Yih took office in 1977. She went on to serve three two-year terms in the House.

In 1982, Yih decided to run for a seat in the Oregon State Senate. She won this election, and was re-elected in 1986, 1990, 1994, and 1998. Yih was elected Senate President Pro Tempore for the 1993-1995 session. Yih decided not to seek re-election in 2002, and retired at the end of her term in January 2003.

Known as a conservative Democrat, Yih's many accomplishments included passage of laws establishing Enterprise Zones to promote job creations; Office of Oregon Trade Representative in Shanghai to enhance trade between Oregon and China; child support legislation to expedite child support and reduce public assistance; equal property tax relief for Linn County residents by correcting a legislative drafting error permanently; appropriation for regional Adolescent Drug & Alcohol Treatment Center; school curriculum to encourage sexual abstinence to reduce teen pregnancy; lottery funds for the rehabilitation and preventive maintenance of covered bridges and a study for assessing the health of the Willamette River.

Yih introduced and passed legislation to establish sister state relationship with Fujian province, China in 1983. She accompanied Oregon governor Atiyeh to sign the agreement with Governor of Fujian province in 1984. Yih organized legislative leadership trade delegation to visit Fujian province and other cities in China in 1992, 1997, 2000 and 2002. Yih was awarded Honorary Citizen of Fujian Province in 1994.

Following her retirement in 2003, Yih received the Distinguished Service Award from the Albany Chamber of Commerce.

Yih has two sons, Donald, a physician, and Daniel, an attorney, and four grandchildren. Yih is a member of the Episcopal Church .

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