Rosanna Pansino (born June 8, 1985) is an American YouTuber, author, businesswoman, actress, and singer. Pansino is one of the highest-paid content-creators on YouTube, and was listed first on Forbes' Top Influencers: Food list in 2017.

Pansino has hosted the internet series Nerdy Nummies since 2011, which won her a Shorty Award and earned her five Streamy Award nominations. She has written and published two cookbooks based on the series, as well as releasing a baking line. She starred in the web series Broken Quest in 2013, the YouTube Premium series Escape the Night in 2018 and 2019—the latter of which earned her two Streamy Award nominations—, and hosted the HBO Max series Baketopia in 2021.

She released her debut single "Perfect Together" in 2015; she is a classically trained singer.