Ashtine Olviga (born May 19, 1999) is a Filipino actress and singer. Initially rising to prominence in the P-pop music scene, she was a member of several groups under Viva Records, including UGG, Ppop Generation, and LITZ, before making a successful transition to film and television. Her cinematic journey includes supporting roles in Miss Granny (2018), The Ship Show (2023), and the 2024 films Sunny and Road Trip. Olviga reached a career turning point in 2025 with her breakthrough lead role as Jay-jay in the hit Viva One series Ang Mutya ng Section E, which established her popular on-screen partnership with Andres Muhlach. This success was quickly followed by her first lead film role in the 2025 blockbuster Minamahal: 100 Bulaklak Para Kay Luna. By 2026, she has established herself as a versatile dramatic actress, earning a Best Supporting Actress nomination at the 2025 Metro Manila Film Festival and Best Actress at the 3rd Manila International Film Festival for her portrayal of activist Agnes Magtibay in the crime drama Manila's Finest, directed by Raymond Red.