Mamitha Baiju is an Indian actress who works predominantly in Malayalam cinema alongside Tamil films. She made her feature film debut in the Malayalam drama *Sarvopari Palakkaran* (2017). During the late 2010s and early 2020s, she appeared in supporting roles in Malayalam titles including *Dakini* (2018), *Vikruthi* (2019), and *Kilometers and Kilometers* (2020). Her performance as Anju in the sports drama *Kho-Kho* (2021) earned her the Kerala Film Critics Association Award for Best Supporting Actress. She subsequently featured in *Operation Java* (2021), *Super Sharanya* (2022), and *Pranaya Vilasam* (2023). Baiju gained wider prominence playing Reenu in Girish A. D.'s romantic comedy *Premalu* (2024). That same year, she made her Tamil cinema debut in the period action drama *Rebel* (2024). Her later film credits include the Tamil romantic comedy *Dude* (2025) opposite Pradeep Ranganathan, the action drama *Jana Nayagan* (2026), Venky Atluri's family drama *Vishwanath & Sons* (2026) alongside Suriya, and the Malayalam comedy-drama *Bethlehem Kudumba Unit* (2026).