Dr. K or Doctor K may refer to:
- Dwight Gooden (born 1964), American baseball player
- Alok Kanojia, American psychiatrist and Twitch streamer
- Brendan Kavanagh (born 1967), English pianist and YouTube personality
- Susan Kelleher, American veterinarian, star of Dr. K's Exotic Animal ER
- Super Doctor K, a manga series by Kazuo Mafune
See also
- DR K, a Danish television station
