David Matthew Macfadyen (born 17 October 1974) is an English actor. Known for his performances on stage and screen, he gained prominence for his role as Mr. Darcy in Joe Wright's Pride & Prejudice (2005). He starred as Tom Wambsgans in the HBO drama series Succession (2018–2023), for which he has received two Primetime Emmy Awards, two BAFTA Awards, and a Screen Actors Guild Award.

Macfadyen is also known for his roles in films such as Death at a Funeral (2007), Frost/Nixon (2008), Anna Karenina (2012), The Assistant (2019), and Operation Mincemeat (2021). He made his television debut in 1998 as Hareton Earnshaw in Wuthering Heights. He portrayed Tom Quinn in the BBC One spy series Spooks (2002–04, 2011), and Inspector Edmund Reid in the BBC mystery series Ripper Street (2012–2016). He also starred as Henry Wilcox in Kenneth Lonergan's miniseries Howards End and Charles Ingram in the Stephen Frears' limited series Quiz (2020).

大卫·马修·麦克法迪恩（David Matthew Macfadyen，1974年10月17日-），英国演员。他以在舞台和银幕上的表演而闻名，因在乔·赖特的《傲慢与偏见》（2005）中饰演达西先生而声名鹊起。他在 HBO 电视剧《继承》（2018-2023 年）中饰演汤姆·瓦布斯甘斯，并因此获得了两项黄金时段艾美奖、两项英国电影学院奖和一项美国演员工会奖。

麦克法迪恩还因在《葬礼之死》（2007 年）、《弗罗斯特/尼克松》（2008 年）、《安娜·卡列尼娜》（2012 年）、《助手》（2019 年）和《肉末行动》（2021 年）等电影中的角色而闻名。他于 1998 年在《呼啸山庄》中饰演哈里顿·恩肖 （Hareton Earnshaw） 首次亮相电视。他在 BBC One 间谍系列《幽灵》（2002-04 年、2011 年）中饰演汤姆·奎因，在 BBC 悬疑系列《开膛手街》（2012-2016 年）中饰演探长埃德蒙·里德。他还在肯尼斯·洛纳根的迷你剧《霍华德·恩德》中饰演亨利·威尔科克斯，在斯蒂芬·弗雷尔斯的限定剧《测验》（2020 年）中饰演查尔斯·英格拉姆。