Chantavit Dhanasevi (; , born 18 September 1983), nicknamed Ter () is a Thai actor and screenwriter. He is best known for his lead roles in the 2010 film Hello Stranger, the 2012 film , and the 2016 movie, One Day.
Dhanasevi studied at Chulalongkorn University and graduated with a bachelor's degree in Communication Arts, majoring in Motion Pictures and Still Photography. During his time at university, he worked in several faculty stage plays from 2001 to 2006.
After graduation, Dhanasevi began work as a freelancer and started doing screen-writing, assistant directing, off-shot cinematographing, and acting coach jobs for GTH. He acted in several small roles in many GTH films until 2008, when he got one of the main roles in Hormones. He then had another lead role in the horror film Coming Soon. He also was credited for screenwriting of 4Bia and Phobia 2 in 2008-2009.
In 2010, Dhanasevi became an actor after doing the romantic comedy Hello Stranger with Neungthida Sopon, in which he also was credited as co-screenwriter. His role earned him a Star Hunter award as one of the 10 most promising young actors in Asia at Shanghai International Film Festival 2011. In 2012, he came back with another film, ' along with a new actress, Preechaya Pongthananikorn. ATM became GTH's highest-grossing film ever at that time (later surpassed by Pee Mak in 2013). In 2013, Dhanasevi co-wrote the film Pee Mak.
Dhanasevi was in a relationship with Pattarasaya Kreursuwansiri for nearly seven years.
In mid-2018, he began dating Davika Hoorne. On June 11, 2025, Chantavit proposed to Davika with a large diamond ring. They tied the knot at the boutique hotelÃÂ Maison Mystique in Khao Yai, Thailand on November 10.