Jewel Beck Lansing (born c. 1930) is a writer and politician from Portland in the U.S. state of Oregon. She served as Portland City Auditor from 1983 to 1986.

Lansing grew up in rural Montana. She received a bachelor's degree in journalism from the University of Montana and a master's degree in education from Stanford University. She moved to Portland in 1961.

She pioneered performance auditing in Portland and Multnomah County. She served as Multnomah County auditor from 1975 to 1982, and Portland City Auditor from 1983 to 1986. She was one of the first two women elected to Multnomah County government, and was the fifth elected to Portland government.

Lansing was also the Democratic nominee for Treasurer of Oregon in 1976 and 1980, narrowly losing to Republican Clay Myers in both general elections.

Lansing has published several books.

Lansing is married and lives in southwest Portland with her husband, Ron. The couple raised two daughters, and a son.