Rachel Campos-Duffy is a conservative commentator, author, and television host born in Tempe, Arizona, to junior high school teachers Miguel and Maria del Pilar Campos. Her paternal grandparents immigrated from Mexico, and her mother is from Spain. Raised in a strict Roman Catholic household with siblings Patrick, Joseph, and Leah Campos (a former CIA operations officer who ran for U.S. Congress in Arizona in 2012), she earned a BS in Economics from Arizona State University (Honors Program) and a Master of International Affairs from the University of California, San Diego.

Her career began as a cast member on MTV's The Real World: San Francisco (1994) and contestant on Road Rules: All Stars (1998), where she met her husband, former Congressman Sean Duffy, whom she married in 1999. The couple has nine children: Evita Pilar, Xavier Jack, Lucia-Belen, John-Paul, Paloma Pilar, MariaVictoria Margarita, Margarita, Patrick, and Valentina StellaMaris (born 2019 with Down syndrome and a heart condition, leading to Sean's congressional resignation). She has discussed two miscarriages publicly.

Professionally, she served as a guest host on The View (2003, 2009, 2014), frequent guest on NBC's Today Show, and co-host of Speaking of Women's Health (Lifetime, 2008). She is the national spokesperson for The LIBRE Initiative, promoting limited government and free markets to the Hispanic community, and a member of the Wisconsin Governor's Board for Women and Families. On Fox News, she co-hosted FOX & Friends Weekend from 2017 to 2024 alongside Pete Hegseth (permanent role since May 2021) and helped launch FOX Noticias in 2024.

Campos-Duffy authored Stay Home, Stay Happy (2009) and Paloma Wants to be Lady Freedom (children's book), and co-authored the New York Times bestseller All American Christmas (2021) with Sean Duffy. She sustained serious right leg injuries in a car accident after The Real World, resulting in long-term arthritis and a limp.

Politically, she supported Scott Walker in the 2016 Republican primary and advocates for constitutionally limited government, property rights, and free-market capitalism. Notable statements include defending the Trump administration's family separation policy (2018), blaming Joe Biden and Jill Biden for the Taliban retaking Afghanistan (2021), and claiming U.S. actions provoked Russia's invasion of Ukraine (2022). No criminal records, civil litigation, or regulatory actions found.