| Janis Vahter | |
| Position: | Small forward |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lb: | 205 |
| League: | Korvpalli Meistriliiga, BBL Challenge Cup |
| Team: | Tallinna Kalev |
| Number: | 4 |
| Birth Date: | 1986 8, mf=yes |
| Birth Place: | Kuressaare, Estonia |
| Nationality: | Estonian |
| Career Start: | 2004 |
| Years1: | 2004–2005 |
| Team1: | Tallinna Kalev |
| Years2: | 2005–2008 |
| Team2: | Nybit |
| Years3: | 2008–2009 |
| Team3: | Tallinna Kalev |
| Years4: | 2009–2012 |
| Team4: | Rakvere Tarvas |
| Years5: | 2012–2013 |
| Team5: | Tallinna Kalev |
| Years6: | 2013–2015 |
| Team6: | BC Pärnu |
| Years7: | 2015–present |
| Team7: | Tallinna Kalev |
Janis Vahter (born 21 January 1991 in Tallinn, Estonia) is an Estonian professional basketball player. He is currently playing for TLÜ/Kalev at the small forward position.[1]
Janis Vahter started his basketball career with Tallinna Kalev in 2004. He then played 3 seasons with Dalkia/Nybit (last season Triobet/Dalkia). For 2009-2010 season he joined BC Rakvere Tarvas and won his fifth KML medal. He has played for Tarvas for three seasons and has won most of his honours with the team, including being BBL Challenge Cup 2011-12 vice-champion.