Someday or One Day (Chinese: 想見你; pinyin: Xiǎng Jiàn Nǐ; lit. 'Want to See You') is a Taiwanese TV drama released in 2019 directed by Huang Tien-jen (黃天仁), and stars Alice Ko, Greg Han, Patrick Shih and Kenny Yen. It was produced by Fox Networks Group Asia Pacific, Hualien Media International, and Three Phoenixes Production Co. Ltd. (三鳳製作), and received NT$22 million in subsidy from the Bureau of Audiovisual and Music Industry Development.

The drama aired on CTV every Sunday at 10:00 pm, from November 17, 2019, to February 16, 2020. After its finale, Someday or One Day was screened on Star Chinese Channel every other Saturday, with behind-the-scenes footage titled "想見你 不見不散" (lit. 'Wanting to see you - don't leave until we see each other') following each episode.

A theatrical version of the series (which serves as a semi-continuation and adaptation) was released in 2022.