Willem Frederik Reinier Suringar (28 December 1832, Leeuwarden – 12 July 1898, Leiden) was a Dutch botanist.
[1] In 1857 he obtained his PhD from the University of Leiden, where afterwards he served as an associate professor of botany (1857–1862).
In 1862 he succeeded Willem Hendrik de Vriese as a full professor of botany at Leiden, a position he maintained until his death in 1898.
[2] In 1884–85 he took part in a scientific expedition to Suriname, British Guiana, Trinidad and the Netherlands Antilles.
[3] In 1886 Jean Baptiste Louis Pierre named the genus Suringaria (family Myrtaceae) in his honor.