| Matyáš Jachnicki | |
| Nationality: | Czech |
| Birth Date: | 16 May 1999 |
| Height: | 1.95abbr=onNaNabbr=on |
| Position: | Outside spiker |
| Currentclub: |  VK Kladno |
| Currentnumber: | 12 |
| Years: | 2018- |
| Teams: | VK Kladno |
| Medaltemplates-Title: | Medal record |
Matyáš Jachnicki (born 16 May 1999) is a Czech volleyball player, a member of the club VK Kladno.[1] [2]