2017-18 Canadian Junior Hockey Season

This is a list of 2017-18 Canadian junior hockey seasons by league.

Major Junior

 * 2017-18 OHL Season
 * 2017-18 QMJHL Season
 * 2017-18 WHL Season

Junior A

 * 2017-18 AJHL Season
 * 2017-18 BCHL Season
 * 2017-18 CCHL Season
 * 2017-18 MJAHL Season
 * 2017-18 MJHL Season
 * 2017-18 NOJHL Season
 * 2017-18 OJHL Season
 * 2017-18 QJHL Season
 * 2017-18 SIJHL Season
 * 2017-18 SJHL Season

Junior B

 * 2017-18 CalJHL Season
 * 2017-18 CAJAAHL Season
 * 2017-18 CapJHL Season
 * 2017-18 CCHL2 Season
 * 2017-18 CJAAHL Season
 * 2017-18 GOJHL Season
 * 2017-18 HJBHL Season
 * 2017-18 IJHL Season
 * 2017-18 KJHL Season
 * 2017-18 KIJHL Season
 * 2017-18 LJHL Season
 * 2017-18 LLJAAHL Season
 * 2017-18 LSLJAAHL Season
 * 2017-18 MJAAHL Season
 * 2017-18 NBJHL Season (Mixed level Junior B and Junior C league)
 * 2017-18 NEAJBHL Season
 * 2017-18 NWJHL Season
 * 2017-18 NSJHL Season
 * 2017-18 PacJHL Season
 * 2017-18 PJHL Season
 * 2017-18 SJJHL Season
 * 2017-18 SLSJJAAHL Season
 * 2017-18 VIJHL Season

Junior C

 * 2017-18 CalJCHL Season
 * 2017-18 HEJAHL Season
 * 2017-18 HTJHL Season
 * 2017-18 LJAHL Season
 * 2017-18 LSLJAHL Season
 * 2017-18 MaurJAHL Season
 * 2017-18 MontJAHL Season
 * 2017-18 NCJHL Season
 * 2017-18 NJHL Season
 * 2017-18 NSRJHL Season
 * 2017-18 OSFJAHL Season
 * 2017-18 PEIJHL Season
 * 2017-18 ProvJHL Season
 * 2017-18 QVJCHL Season
 * 2017-18 RivJAHL Season
 * 2017-18 RNJAHL Season
 * 2017-18 RVJAHL Season
 * 2017-18 SLSJJAHL Season
 * 2017-18 YMJAHL Season

Junior D
The Orford-Saint-Francois Junior B Hockey League returns after not operating for the 2016-17 season and the Yamaska-Missisquoi Junior B Hockey League does not operate for 2017-18 but several teams are listed as playing games against YMJAHL teams on that league's schedule.
 * 2017-18 LJBHL Season
 * 2017-18 LSLJBHL Season
 * 2017-18 MaurJBHL Season
 * 2017-18 MontJBHL Season
 * 2017-18 OSFJBHL Season
 * 2017-18 RJBHL Season
 * 2017-18 RNJBHL Season
 * 2017-18 RVJBHL Season

Other Junior

 * 2017-18 MMJHL Season

Independent

 * 2017-18 GMJHL Season

AAU/United Hockey Union

 * 2017-18 CPJHL Season
 * 2017-18 NCPHL Season  The league would fold in September and have several members join the CPJHL.

National/Regional
The Western Canada Cup held its last edition in 2017. The Anavet Cup and the Doyle Cup have returned to determine the Western and Pacific region qualifiers for the 2018 Royal Bank Cup.
 * 2018 Memorial Cup - National Major Junior
 * 2018 Royal Bank Cup - National Junior A
 * 2018 Dudley Hewitt Cup - Central Junior A
 * 2018 Fred Page Cup - Eastern Junior A
 * 2018 Doyle Cup - Pacific Junior A (AB-BC)
 * 2018 Anavet Cup - Western Junior A  (MB-SK)
 * 2018 Keystone Cup - Western Junior B
 * 2018 Don Johnson Memorial Cup - Maritime Junior B
 * 2018 Maritime-Hockey North Junior C Championships - Maritime/Nunavut Junior C

Provincial

 * 2018 Coupe Dodge -Quebec Junior B
 * 2018 Cyclone Taylor Cup - British Columbia Junior B
 * 2018 Russ Barnes Trophy - Alberta Junior B
 * 2018 Alberta Junior C Playoffs