Mervyn Tan Wei Ming PPA(E) PPA(P) PBS (Chinese: 陈尉民; pinyin: Chén Wèimín) is a Singaporean former major-general who served as Chief of Air Force between 2016 and 2019, being appointed from his prior role of Director of Military Intelligence and Chief Command, Control, Communications, Computers and Intelligence.

He attended the United States Air Command and Staff College from 2004 to 2005 and obtained a Master in Operational Art and Science of War.

He also achieved the best overall academic and research award for an international officer at the United States Air Command and Staff College.

In 2010, Tan received the SAF Overseas Postgraduate Scholarship (General Development) in 2010 and obtained a Master of Business Administration from the MIT Sloan School of Management in the same year.

As an operational pilot, Tan has participated in overseas exercises in Australia, Brunei, India, Indonesia, Malaysia, the Philippines and Thailand.