1989-90 Ottawa District Intermediate Playoffs

The 1989-90 Ottawa District Intermediate championship was won by the Smiths Falls Rideaus.  They lost in the 1989-90 Eastern Canada Intermediate Playoffs final to the Maritime and eventual Hardy Cup champion Dartmouth Moosehead Mounties, three games to two.
==Eastern Ontario Senior AA League==
;Standings
#Smiths Falls 16-8-0 32 188:131
#Almonte 12-6-4 28 174:145
#Manotick 12-7-4 28 162:106
#Cardinal 9-10-3 21 160:159
#Lanark 3-19-0 7 79:222
;Elimination series
Teams were eliminated after their fifth loss. 
As of 3/22:
#Smiths Falls 59:29, 0 losses
#Manotick 45:38, 4 losses
#Almonte 45:53, 5 losses
#Cardinal 33:44, 5 losses
#Lanark 8:26, 5 losses
*3/23: Smiths Falls beat Manotick and eliminated them
Category:1990 in hockey
Category:Ottawa District Intermediate Playoffs