
Ko Chia-Yen (Chinese: 柯佳嬿; pinyin: Kē Jiāyàn; born 10 January 1985) is a Taiwanese actress. Ko's debut acting role was in the 2006 film Do Over, by award-winning director Cheng Yu-chieh. Subsequently, she had starring roles in the films Miao Miao (2008), Monga (2010) and Night Market Hero (2011). She first came to prominence for her role in the domestic hit series Office Girls (2011), in which she played a marketing specialist. She is also known for her role in the drama series Marry Me, or Not?, for which she won the Golden Bell Award for Best Actress in 2016.

Movie Room
TV • 2018

Sweet Tasks
TV • 2019

36 Questions
TV • 2020

Copycat Killer
TV • 2023

Office Girls
TV • 2011

Someday or One Day
TV • 2019

Liao Zhai's Ghost Stories 4
TV • 2015

I Am Married...But!
TV • 2025

Rainless Love in a Godless Land
TV • 2021

My Queen
TV • 2009

Marry Me, or Not?
TV • 2015

We Go Fast On Trust
TV • 2023

La Grande Chaumière Violette
TV • 2016

Déjà Vu
TV • 2019

Mom, Don't Do That!
TV • 2022

Game Winning Hit
TV • 2009

Ai's Kitchen
TV • 2024

Dragon Gate
TV • 2013