| Lennart Rönnback | |
| Birth Date: | 1905 5, df=yes |
| Birth Place: | Finland |
Lennart Rönnback (21 May 1905 – 4 November 2007) was a Finnish White Guard veteran of the Finnish Civil War of 1918. Rönnback died on 4 November 2007, at the age of 102. He was considered the last White Guard veteran of the Finnish Civil War at the time of his death, but later Lauri Nurminen was discovered. See Last Red Guard and White Guard here.