| Baby Aline Vargas - Alfonso | |
| Nickname: | Aline |
| Office: | Member of the House of Representatives from Cagayan's 2nd district |
| Predecessor: | Samantha Vargas-Alfonso |
| Termstart2: | June 30, 2007 |
| Termend2: | June 30, 2010 |
| Successor2: | Precy Perez Vargas |
| Birth Name: | Baby Aline Vargas |
| Birth Date: | 5 December 1962 |
| Birth Place: | Abulug, Cagayan, Philippines |
| Party: | Lakas–CMD (2021–present) (2008–2012) |
| Otherparty: | NUP (2012–2021) KAMPI (2007–2008) |
| Parents: | Florencio Vargas |
| Children: | Samantha Vargas Alfonso |
| Occupation: | Politician |
| Honorific Prefix: | The Honourable |
| Termstart: | June 30, 2022 |
| Office2: | Vice Mayor of Abulug |
| Termstart1: | March 16, 2011 |
| Termend1: | June 30, 2019 |
| Successor1: | Samantha Vargas-Alfonso |
| Predecessor1: | Florencio Vargas |
Baby Aline Vargas - Alfonso (born December 5, 1962) in Abulug, Cagayan) is a Filipina politician who currently serves as the representative of Cagayan's 2nd District since 2022 and previously from 2011 to 2019. She is the youngest daughter of former Congressman and Governor Florencio Vargas.[1] Vargas-Alfonso served as Vice Mayor of Abulug from 2007 to 2010.[2]
After her father died on July 22, 2010, she successfully ran for Congress in a special election in 2011 to finish his term. In Congress, Vargas-Alfonso was accused of being one of sources of fake SARO (Special Allotment Release Order) forms.[3] In 2019, Vargas-Alfonso finished her three consecutive terms as Congresswoman from Cagayan's Second District.[4] Her daughter Sam Vargas Alfonso succeeded her in 2019.[5] '
In 2024, Vargas-Alfonso filed her candidacy to run for governor of Cagayan in the 2025 Philippine general election but subsequently withdrew and ran instead for another term in Congress.[6]