新西伯利亚（俄语：Новосиби́рск，英语：Novosibirsk）是俄罗斯的城市，建城于1893年。行政区位上新西伯利亚是新西伯利亚州（Новосибирская о́бласть）的首府，该州则属于俄罗斯新划分的七个顶级行政区之一——西伯利亚联邦管区（Сиби́рский федера́льный о́круг）的一部份，也是整个西伯利亚地区最大的城市。

位于俄国中部人口密集区的重要地带，新西伯利亚有1,425,600的人口，是俄罗斯国内仅次于莫斯科与圣彼得堡，人口第三多的城市。该城境内工厂非常多，并拥有一些俄罗斯最好的大学、博物馆和剧场。

Novosibirsk (Russian:Новосиби́рск;IPA: [nəvəsʲɪˈbʲirsk]) is the third most populous city in Russia after Moscow and St. Petersburg and the most populous city in Asian Russia, with a population of 1,473,754 as of the 2010 Census. It is the administrative center of Novosibirsk Oblast as well as of the Siberian Federal District. The city is located in the southwestern part of Siberia on the banks of the Ob River adjacent to the Ob River Valley, near the large water reservoir formed by the dam of the Novosibirsk Hydro Power Plant, and occupies an area of 502.1 square kilometers (193.9 sq mi).