赵牡丹（Margaret Moran Cho，1968年12月5日－）是美国喜剧演员、服装设计师、演员、作家和创作歌手，为韩裔美国人。

她以例行的脱口秀闻名，在脱口秀节目里，她对美国的政治和社会议题，尤其是性别和种族问题进行批评和嘲讽。同时她还执导并出演自己的音乐录影带，并拥有自己的服装品牌。她常年为LGBT权利而奋斗，并因她为亚裔族群、女性族群及LGBT族群争取人权而获得奖励。

Margaret Moran Cho (born December 5, 1968) is an American comedian, fashion designer, actress, author, and recording artist. Cho is best known for her stand-up routines, through which she critiques social and political problems, especially those pertaining to race and sexuality. She has also directed and appeared in music videos and has her own clothing line. She has frequently supported LGBT rights and has won awards for her humanitarian efforts on behalf of women, the transgender community, Asians, and the LGBT community.

As an actress she has played more serious parts, such as that of John Travolta's long-suffering FBI colleague in the action movie Face/Off. She co-starred as Teri Lee, a paralegal assistant, 8on Lifetime's drama series Drop Dead Diva.

Margaret Moran Cho (* 5. Dezember 1968 in San Francisco) ist eine US-amerikanische Schauspielerin und Stand-Up-Comedian koreanischer Abstammung.

Margaret Cho wuchs auf der Polk Street in San Francisco auf, dem damaligen Schwulenzentrum der Stadt in den 1970er Jahren, auf der ihre Eltern, welche aus Korea stammten, einen Bücherladen hatten.