National Taiwan University ( ; abbreviation NTU) is a national co-educational university located in Taipei City, Taiwan. In Chinese, it is colloquially known as "Taida" (台大). Its main campus is set upon 1,086,167 square meters in Taipei's Da-an district. In addition, the university has 6 other campuses in Taiwan, occupying a total of 345,830,000 square meters.

NTU currently consists of 11 colleges, 54 departments, 96 graduate institutes and 4 research centers and diplomas in over 100 fields of study.

NTU was founded in 1928 by the Japanese during the Japanese colonial era and was then known as the Taihoku (Taipei) Imperial University. After World War II and Taiwan's retrocession to Chinese Sovereignty, the Taiwan government resumed the admnistration of Taihoku University and reorganized and renamed it "National Taiwan University" on November 15, 1945.

The entrance examination score requirements to enter NTU is typically the highest among universities in Taiwan, and NTU is widely considered the best and most prestigious university in Taiwan. NTU has very strong ties with Academia Sinica. NTU admits students based solely on merits, disregarding other factors such as race, religion, or gender. The female-to-male ratio in the undergraduate population is about 0.9:1.

Many influential individuals in Taiwan society received their education at NTU, including government officials in both pan-blue and pan-green camps.