Alex Law

{{Short description|Hong Kong film director, screenwriter, and producer (1952–2022)}}

{{for|the Scottish footballer|Alec Law}}

{{More citation needed|date=June 2025}}

{{Use Hong Kong English|date=July 2022}}

{{Use dmy dates|date=July 2022}}

{{infobox person

| name = Alex Law

| image = Alex Law at Toronto International Film Festival.jpg

| alt =

| caption = Law at the 2015 Toronto International Film Festival

| birth_name = 羅啟銳
Law Kai-Yui

| birth_date = {{Birth date|1952|8|19|df=y}}

| birth_place = British Hong Kong

| death_date = {{Death date and age|2022|07|02|1952|8|19|df=y}}

| death_place = Hong Kong

| alma_mater = {{Plainlist|

• University of Hong Kong (B.A. in Chinese, English and Comparative Literature)
• New York University

}}

| awards =
{{awards|award=Hong Kong Film Awards|name=Best Screenplay
1988 An Autumn's Tale
2010 Echoes of the Rainbow
Best Original Film Song
2010 Echoes of the Rainbow}}{{awards|award=Golden Horse Awards|name=Best Original Screenplay
1998 City of Glass}}

}}

Alexander Law Kai-Yui ({{zh|links=no|t=羅啟銳}}; 19 August 1952 – 2 July 2022) was a Hong Kong film director, screenwriter, and producer.

Law was educated at the Diocesan Boys' School, Hong Kong,{{cite news |url=https://www.hk01.com/%E8%A6%AA%E5%AD%90/788499/%E7%BE%85%E5%95%9F%E9%8A%B3%E9%80%9D%E4%B8%96-%E6%AD%B2%E6%9C%88%E7%A5%9E%E5%81%B7-%E7%82%BA%E8%A6%AA%E8%BA%AB%E7%B6%93%E6%AD%B7-%E5%9B%A0%E8%A1%80%E7%99%8C%E5%85%84%E9%9B%A2%E4%B8%96%E7%99%BC%E5%A5%AE%E8%80%83%E5%85%A5%E7%94%B7%E6%8B%94 |script-title=zh:羅啟銳逝世｜《歲月神偷》為親身經歷　因血癌兄離世發奮考入男拔 |trans-title=Law Kai Yui past away "The time thief" worked hard to be admitted to the men's college entrance examination because of his personal experience of losing his brother to leukemia |last=Zhang |first=Wei Ting |work=HK01 |date=4 July 2022 |access-date=4 June 2025 |language=zh}} matriculating in 1971. Law collaborated with Mabel Cheung on many of her most famous films, including the "Migration Trilogy": Illegal Immigrant (1985), An Autumn's Tale (1987) and Eight Taels of Gold (1989). He wrote the screenplay for Cheung's The Soong Sisters (1997).