奥娜·卡斯蒂利亚·卓别林（Oona Castilla Chaplin，1986年6月4日-）是一位西班牙裔瑞士女演员。她的角色包括 HBO 电视剧《权力的游戏》中的 Talisa Maegyr、BBC 电视剧《The Crimson Field》中的 Kitty Trevelyan，以及电视剧《禁忌》中的 Zilpha Geary。

作为卓别林家族的一员，她是女演员杰拉尔丁·卓别林的女儿，英国电影制片人和演员查理·卓别林的孙女，爱尔兰裔美国剧作家尤金·奥尼尔的曾孙女。她以她的外祖母奥娜·奥尼尔（Oona O'Neill）的名字命名，她是查理·卓别林的第四任也是最后一任妻子。

Oona Castilla Chaplin (born 4 June 1986) is a Spanish–Swiss actress. Her roles include Talisa Maegyr in the HBO TV series Game of Thrones, Kitty Trevelyan in the BBC drama The Crimson Field, and Zilpha Geary in the series Taboo.

A member of the Chaplin family, she is the daughter of actress Geraldine Chaplin, granddaughter of English filmmaker and actor Charlie Chaplin, and great-granddaughter of Irish-American playwright Eugene O'Neill. She was named after her maternal grandmother Oona O'Neill, Charlie Chaplin’s fourth and final wife.

Oona Castilla Chaplin, ou simplesmente Oona Chaplin, é uma atriz, bailarina e dançarina espanhola, neta do ator britânico Charlie Chaplin e bisneta do dramaturgo norte-americano Eugene O'Neill.