| Jānis Lāčplēsis | |
| Office: | Mayor of Daugavpils |
| Term Start: | 28 September 2009 |
| Term End: | 24 March 2011 |
| Predecessor: | Rihards Eigims |
| Successor: | Žanna Kulakova |
| Term Start2: | 1 July 2013 |
| Term End2: | 26 June 2017 |
| Predecessor2: | Žanna Kulakova |
| Successor2: | Andrejs Elksniņš |
| Birth Date: | 8 October 1958 |
| Birth Place: | Daugavpils, Latvia |
| Party: | Latvian Way Latvia's First Party/Latvian Way Latgale Party |
| Alma Mater: | Riga Technical University |
Jānis Lāčplēsis (born 8 October 1958 in Daugavpils) is Latvian financier, politician and former mayor of Daugavpils (2009-2011, 2013-2017). He was a member of the Latvian parliament during the 7th Saeima and the 11th Saeima.[1]