艾勒里·昆恩（英语：Ellery Queen），又译艾勒里·奎恩、埃勒里·奎恩，是同名推理小说系列中的侦探，同时也是该系列推理小说的作者之笔名。

作者艾勒里·昆恩是由一对来自美国纽约布鲁克林的表兄弟：佛德列克·丹奈（Frederic Dannay, 1905-1982）与曼佛雷德·李（Manfred Bennington Lee, 1905-1971）。其实，他们的本名分别是丹尼尔·内森（Daniel Nathan）以及曼福德·勒波夫斯基（Manford Lepofski），他们在年轻时自行改了名字，并同时求学于布鲁克林高中。丹奈与李为了参与《麦克鲁杂志》与利普平科特出版社（Lippincott）合办的推理征文比赛；由于比赛规定报名者必须以笔名参赛，他们就想出艾勒里·昆恩此一笔名，并以此作为小说中侦探的名字。

Daniel Nathan, professionally known as Frederic Dannay (October 20, 1905 – September 3, 1982), and Emanuel Benjamin Lepofsky, professionally known as Manfred Bennington Lee (January 11, 1905 – April 3, 1971), were American cousins from Brooklyn, New York who wrote, edited, and anthologized detective fiction under the pseudonym of Ellery Queen. The writers' main fictional character, whom they also named Ellery Queen, is a mystery writer and amateur detective who helps his father, Richard Queen, a New York City police inspector, solve baffling murders.