This is a list of seasons completed by the Atlanta Thrashers professional ice hockey club of the National Hockey League. This list documents the records and playoff results for all seasons the Thrashers have completed in the NHL since their inception in 1999. Links to individual NHL and team season articles can be accessed by links under the 'Season' and 'Team' columns of the table.

Stanley Cup Champions

Conference Champions

Division Champions

League Leader

Note: GP = Games played, W = Wins, L = Losses, T = Ties, OTL = Overtime Losses, Pts = Points, GF = Goals for, GA = Goals against, PIM = Penalties in minutes

Season	Team	GP	W	L	T	OTL	Pts	GF	GA	PIM	Finish	Playoffs
1999–2000	1999-00	82	14	57	7	4	39	170	313	1422	5th, Southeast	Did not qualify
2000–01	2000-01	82	23	45	12	2	60	211	289	1500	4th, Southeast	Did not qualify
2001–02	2001-02	82	19	47	11	5	54	187	288	1290	5th, Southeast	Did not qualify
2002–03	2002-03	82	31	39	7	5	74	226	284	1253	3rd, Southeast	Did not qualify
2003–04	2003-04	82	33	37	8	4	78	214	243	1505	2nd, Southeast	Did not qualify
2004–051	2004-051	—	—	—	—	—	—	—	—	—	—	—
2005–06²	2005-06²	82	41	33	—	8	90	281	275	1344	3rd, Southeast	Did not qualify
2006–07	2006-07	82	43	28	—	11	97	246	245	1097	1st, Southeast	Lost Conference Quarter-final, 0–4 (Rangers)
2007–08	2007-08	82	34	40	—	8	76	216	272	1077	4th, Southeast	Did not qualify
2008–09	2008-09	82	35	41	—	6	76	257	280	1244	4th, Southeast	Did not qualify
2009–10	2009-10	82	35	34	—	13	83	234	256	1045	2nd, Southeast	Did not qualify
Totals		820	308	401	45	66	644	2008	2489	9359	—