Abby Lea Finkenauer (born December 27, 1988) is an American politician who served as the United States Special Envoy for Global Youth Issues within the U.S. Department of State from 2022 to 2025. Finkenauer previously served as the U.S. representative from Iowa's 1st congressional district from 2019 to 2021. She is a member of the Democratic Party.

Before being elected to Congress, Finkenauer served in the Iowa House of Representatives for the 99th district from 2015 to 2019. On November 6, 2018, Finkenauer and fellow Democrat Cindy Axne became the first women from Iowa elected to the U.S. House of Representatives. Finkenauer also became the second-youngest woman to ever be elected to the U.S. House. She lost reelection in 2020 and lost a primary election for the United States Senate in 2022.

Finkenauer was born in Dubuque, Iowa, and grew up in nearby Sherrill, Iowa.

She graduated from Hempstead High School in Dubuque. In 2011, Finkenauer graduated from Drake University in Des Moines, Iowa, with a bachelor's degree in public relations.

In 2006, Finkenauer was a page for U.S. Representative Jim Nussle, a Republican who represented Northeast Iowa in Congress. The following year, after Nussle ran unsuccessfully for Governor of Iowa, Finkenauer was a page for Patrick Murphy, the Democratic Speaker of the Iowa State House of Representatives.

In 2007, Finkenauer was the Iowa volunteer coordinator for the Joe Biden presidential campaign. She was later legislative aide for Democratic state Representative Todd Taylor and communications specialist for the Community Foundation of Greater Dubuque.

Finkenauer ran for Murphy's old seat in 2014 and won. In the Democratic primary, Finkenauer defeated defense attorney Steve Drahozal, receiving 57.8% of the vote. In the general election, she faced lawyer Daniel Dlouhy and defeated him, receiving 60.8% of the vote. She was 25 when first elected to the Iowa House of Representatives.

She was unopposed for reelection in 2016.