* Filibustered for 24 hours and 18 minutes against the Civil Rights Act of 1957.
* The longest individual filibuster in U.S. Senate history.
2. J. William Fulbright (United States)
* Filibustered for 14 hours and 23 minutes against the Gulf of Tonkin Resolution in 1964.
* Arguably the most important filibuster in U.S. history, as it helped turn public opinion against the Vietnam War.
3. Wayne Morse (United States)
* Filibustered for 23 hours and 58 minutes against the Civil Rights Act of 1964.
* One of the most vocal opponents of the Vietnam War in the U.S. Senate.
4. Rand Paul (United States)
* Filibustered for 13 hours and 28 minutes against the reauthorization of the Patriot Act in 2015.
* A leading voice for civil liberties in the U.S. Senate.
5. Ted Cruz (United States)
* Filibustered for 21 hours and 19 minutes against the Affordable Care Act in 2013.
* One of the most vocal opponents of President Barack Obama's policies in the U.S. Senate.
6. Bernie Sanders (United States)
* Filibustered for 8 hours and 37 minutes against the Defense Authorization Act in 2005.
* Arguably the most progressive member of the U.S. Senate
7. Elizabeth Warren (United States)
* Filibustered for 2 hours and 20 minutes against the nomination of Betsy DeVos for Secretary of Education in 2017.
* One of the most vocal critics of the Trump administration in the U.S. Senate
8. Cory Booker (United States)
* Filibustered for 7 hours and 7 minutes against the confirmation of Neil Gorsuch to the Supreme Court in 2017.
* One of the most vocal advocates for criminal justice reform in the U.S. Senate
9. Kamala Harris (United States)
* Filibustered for 4 hours and 14 minutes against the nomination of Brett Kavanaugh to the Supreme Court in 2018.
* One of the most vocal critics of the Trump administration's immigration policies in the U.S. Senate
10. Kirsten Gillibrand (United States)
* Filibustered for 2 hours and 30 minutes against the nomination of Betsy DeVos for Secretary of Education in 2017.
* One of the most vocal advocates for women's rights in the U.S. Senate.