The Ministry of Digital Development and Information (MDDI; Malay: Kementerian Penerangan dan Pembangunan Digital; Chinese: 数码发展及新闻部; Tamil: தகவல், மின்னிலக்க மேம்பாட்டு அமைச்சு) is a ministry of the Government of Singapore responsible for overseeing the development of the infocomm technology, media and design sectors, as well as the government's information and public communication policies.

Its arts promotion component was assimilated into the Ministry of Community Development (MCD) as the Cultural Affairs Division.

On 1 January 2003, the Singapore Broadcasting Authority, Singapore Films Commission and Films and Publications Department (previously under the MITA headquarters) merged to form the Media Development Authority (MDA).

MDDI also manages the Cyber Security Agency, a national agency overseeing cybersecurity strategy, operations, education, outreach, and ecosystem development and the Personal Data Protection Commission, Singapore's primary data protection authority.

The Ministry is headed by the Minister for Digital Development and Information, who is appointed as part of the Cabinet of Singapore.