The 2005 Montana State Bobcats football team was an American football team that represented Montana State University in the Big Sky Conference during the 2005 NCAA Division I-AA football season. In their sixth season under head coach Mike Kramer, the Bobcats compiled a 7–4 record (5–2 against Big Sky opponents), finished in a three-way tie for the Big Sky championship with Eastern Washington and Montana, but did not receive a bid to the NCAA Division I-AA Football Championship playoffs. Montana State ranked No. 18 in final I-AA poll by The Sports Network.^[1]

Date	Time	Opponent	Rank	Site	TV	Result	Attendance	Source
September 3	5:05 p.m.	at Oklahoma State*	No. 18	Boone Pickens Stadium Stillwater, OK		L 10–15	43,857
September 10	1:05 p.m.	Stephen F. Austin*	No. 16	Bobcat Stadium Bozeman, MT		W 42–6	13,327
September 17	7:05 p.m.	at No. 18 Cal Poly*	No. 11	Mustang Stadium San Luis Obispo, CA		L 10–38	8,043
September 24	1:05 p.m.	No. 8 North Dakota State	No. 18	Bobcat Stadium Bozeman, MT		W 20–17	13,327	[2]
October 1	1:35 p.m.	Idaho State	No. 12	Bobcat Stadium Bozeman, MT		W 30–28	14,127
October 8	1:05 p.m.	at Weber State	No. 11	Stewart Stadium Ogden, UT		W 27–24	7,329
October 15	7:05 p.m.	at Portland State	No. 9	Providence Park Portland, OR		L 41–44	10,443
October 29	12:05 p.m.	Northern Arizona	No. 16	Bobcat Stadium Bozeman, MT		W 29–22	13,427
November 5	12:05 p.m.	Sacramento State	No. 12	Bobcat Stadium Bozeman, MT		W 37–16	12,207
November 12	3:05 p.m.	at No. 21 Eastern Washington	No. 11	Roos Field Cheney, WA		L 14–35	8,399
November 19	12:05 p.m.	No. 3 Montana	No. 22	Bobcat Stadium Bozeman, MT (rivalry)	KPAX	W 16–6	15,327
*Non-conference game Homecoming Rankings from The Sports Network Poll released prior to the game All times are in Mountain time

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