Danilo Ramon Subiaga Fernandez, more commonly known as Dan Fernandez, is a Filipino politician, actor, and optometrist who is currently serving as a representative of the Lone District of Santa Rosa, Laguna at the House of Representatives of the Philippines since 2022. He previously represented the 1st District of Laguna from 2007 to 2016 and again from 2019 to 2022; he also concurrently served as a Deputy Speaker from 2019 to 2020. Prior to his election in the Congress, he served as a board member of Laguna from 1998 to 2001, Vice Governor of Laguna from 2001 to 2004, and Mayor of Santa Rosa from 2016 to 2019. He also ran for governor in 2004 but lost to incumbent Governor Teresita Lazaro.

Santa Rosa, officially the City of Santa Rosa, is a 1st class component city in the province of Laguna, Philippines. According to the 2020 census, its population was 414,812 people.