千禧公园（英语：Millennium Park）又称千禧年公园，是位在美国伊利诺州芝加哥洛普区的一座大型公园。本公园是密西根湖湖畔重要的文化娱乐中心，含盖整个格兰特公园西北边24.5英亩（99,000平方米）的土地。该地区曾经被伊利诺中央铁路（Illinois Central Railroad）当作停车场使用。截至2009年，千禧公园是全芝加哥人气第二高的旅游景点，仅次于海军码头（Navy's Pier）。

公园从1997年10月开始规划，1998年10月开始建造，2004年7月16日启用，但比计划中的进度落后了4年。大约有30万人参加为期3天的开幕音乐会。千禧公园启用至今已经得到无障碍与绿色设计等奖项。本公园是属于免费入场的性质。

Millennium Park is a public park located in the Loop community area of Chicago in Illinois, US, and originally intended to celebrate the second millennium. It is a prominent civic center near the city's Lake Michigan shoreline that covers a 24.5-acre (99,000 m) section of northwestern Grant Park. The area was previously occupied by parkland, Illinois Central rail yards, and parking lots. The park, which is bounded by Michigan Avenue, Randolph Street, Columbus Drive and East Monroe Drive, features a variety of public art. As of 2009, Millennium Park trailed only Navy Pier as a Chicago tourist attraction. In 2015, the park became the location of the city's annual Christmas tree lighting.