Fr. R. Kreutzwald
- Birth Date
 - 12/26/1803 - 8/25/1882
 - Known For
 - Writing
 

Friedrich Reinhold Kreutzwald (26 December [O.S. 14 December] 1803 – 25 August [O.S. 13 August] 1882) was an Estonian writer who is considered to be the father of the national literature for the country. He is the author of Estonian national epic Kalevipoeg.
