The 1958 Ottawa Rough Riders finished in third place in the IRFU with a 6–8 record but lost to the Hamilton Tiger-Cats in the East Finals. This was also the Rough Riders' first season in the Canadian Football League as the league was formed in this year.

Preseason

Week	Date	Opponent	Score	Result	Record
B	Aug 1	vs. Saskatchewan Roughriders	29–28	Win	1–0
C	Aug 7	vs. BC Lions	33–27	Win	2–0
C	Aug 11	vs. Edmonton Eskimos	26–6	Win	3–0

Regular season

Week	Date	Opponent	Score	Result	Record
1	Aug 19	vs. Toronto Argonauts	44–7	Win	1–0
1	Aug 23	at Hamilton Tiger-Cats	13–7	Loss	1–1
2	Aug 30	at Montreal Alouettes	11–9	Loss	1–2
3	Sept 6	vs. Montreal Alouettes	17–1	Win	2–2
4	Sept 14	Hamilton Tiger-Cats (at Philadelphia Municipal Stadium)	24–18	Loss	2–3
5	Sept 20	at Toronto Argonauts	17–14	Win	3–3
6	Sept 27	vs. Toronto Argonauts	28–4	Win	4–3
7	Oct 4	vs. Hamilton Tiger-Cats	14–1	Loss	4–4
8	Oct 11	vs. Montreal Alouettes	41–7	Win	5–4
8	Oct 13	at Montreal Alouettes	34–13	Loss	5–5
9	Oct 18	vs. Toronto Argonauts	41–0	Loss	5–6
10	Oct 25	at Toronto Argonauts	42–24	Loss	5–7
11	Nov 1	vs. Hamilton Tiger-Cats	14–8	Win	6–7
12	Nov 8	at Hamilton Tiger-Cats	23–0	Loss	6–8

v t e Ottawa Rough Riders
Founded in 1876 Folded in 1996 Based in Ottawa, Ontario
Franchise	Franchise Rough Riders records Ottawa records Players Seasons Head coaches
Stadiums	Frank Clair Stadium
Lore	Ottawa Trojans Labour Day Classic
Important figures	Frank Clair Tom Clements Tony Gabriel Russ Jackson Rudy Phillips
Retired numbers	11 12 26 40 60 62 70 71 72 77
Dominion Championships (3)	1898 1900 1902
Grey Cup Championships (9)	1925 1926 1940 1951 1960 1968 1969 1973 1976
Eastern Division Championships (15)	1925 1926 1936 1939 1940 1941 1948 1951 1960 1966 1968 1969 1973 1976 1981
See also	Ottawa Renegades Ottawa Redblacks Jeff Hunt

v t e 1958 CFL season by team
Western Interprovicial Football Union	BC Calgary Edmonton Saskatchewan Winnipeg
Interprovincial Rugby Football Union	Hamilton Montreal Ottawa Toronto
See also	1958 CFL Draft 46th Grey Cup