Will Or Wai-lam (Chinese: 柯煒林, born 22 January 1992) is a Hong Kong actor best known for his role in the drama film Drifting (2021), for which he was nominated for Best Supporting Actor in the 58th Golden Horse Awards and both Best Supporting Actor and Best New Performer in the 40th Hong Kong Film Awards.

Or was born in 1992 in Hong Kong. He attended and studied creative media at City University of Hong Kong, but quit before obtaining a degree to pursue an acting career in 2018.

Or featured in several short films during his university years, including the award-winning Why Don't We Share Our Solitude (Chinese:如霧起時). In 2015, Or wrote and directed To Absent Friends (Chinese:從缺), a short film enlisted in the Fresh Wave Festival, and made his film debut in the 2016 drama film Weeds on Fire. He then appeared in several films with minor roles, before starring in ViuTV drama series Till Death Do Us Part as Yan-kei and Leap Day as Jonathan, which the latter role had earned him widespread acclaim.

In 2021, Or was cast to star alongside Francis Ng in the drama film Drifting, which he received a Golden Horse Awards nomination for Best Supporting Actor and Hong Kong Film Awards nominations for both Best Supporting Actor and Best New Performer.

Or landed his first major television role as Oscar in ViuTV drama series Beyond the Common Ground in 2023, starring alongside Chiu Sin Hang, Ivy So, and Vincent Kok.

Or announced in July 2025 that he had stage 4 adenocarcinoma of the lung.