| Mode: | Basketball |
| Year: | 2005–06 |
| Prev Year: | 2004–05 |
| Next Year: | 2006–07 |
| Team: | Bucknell Bison |
| Conference: | Patriot League |
| Short Conf: | Patriot |
| Coachrank: | 25 |
| Record: | 27–5 |
| Conf Record: | 14–0 |
| Head Coach: | Pat Flannery |
| Hc Year: | 12th |
| Asst Coach1: | Mark Prosser |
| Ac1 Year: | 3rd |
| Stadium: | Sojka Pavilion |
| Champion: | Patriot League tournament champions |
| Tourney: | NCAA tournament |
| Tourney Result: | second round |
The 2005–06 Bucknell Bison men's basketball team represented Bucknell University during the 2005–06 NCAA Division I men's basketball season. The Bison, led by head coach Pat Flannery, played their home games at Sojka Pavilion and were members of the Patriot League. They finished the season 27–5, 14–0 in Patriot League play to win the conference regular season title by three games. They won the Patriot League tournament to earn an automatic bid to the 2006 NCAA tournament where they defeated No. 8 seed Arkansas in the opening round.[1] In the round of 32, the Bison were beaten by No. 1 seed Memphis.[2] This was the second straight season the Bison reached the round of 32 of the NCAA Tournament.
|-!colspan=9 style=| Regular season|-!colspan=9 style=| Patriot League tournament|-!colspan=9 style=| NCAA tournament[4] [5] [6]
See main article: 2005–06 NCAA Division I men's basketball rankings.