NTT Communications (エヌ・ティ・ティ・コミュニケーションズ株式会社, Enutiti Komyunikēshonzu Kabushiki-gaisha), or NTT Com, is a Japanese telecommunications company which operates an international network in over 190 countries/regions, with locations in more than 70 countries/regions. The company has approximately 5,500 employees (NTT Communications Group: 11,500 employees) as of March 2020. Its headquarters is located in the Otemachi Place West tower, Otemachi, Chiyoda, Tokyo.

NTT Communications Corporation was founded in July 1999 as the wholly owned subsidiary of Nippon Telegraph & Telephone (NTT) Corp, and is one of the largest telecom companies in the world. NTT Communications provides network management, telecommunication services such as VPN, and communications technology (ICT) services including cloud, consulting, and managed services for companies and government agencies.