The 1970-71 Klass B season is the 1970-71 season of the Klass B.
Regular season standings
Zone 1
- Saturn Ramenskoye - Temp Zagorsk 5:3, 2:1 - Temp was relegated
Zone 2
Zone 3
Zone 4
- Primorsky Krai
- Final round
Union Republics Zone
Kazakhstan Zone
Final round
Semifinals
- Group 1
Results - Group 1
- Izhstal Izhevsk - Stroitel Karaganda 3-5
- Yuzhny Ural Orsk - Yantar Tomsk-7 3-1
- Yantar Tomsk-7 - Izhstal Izhevsk 4-9
- Yuzhny Ural Orsk - Stroitel Karaganda 2-1
- Yantar Tomsk-7 - Stroitel Karaganda 7-9
- Yuzhny Ural Orsk - Izhstal Izhevsk 1-1
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- Group 2
Results - Group 2
- Neftyanik Leninogorsk - Granit Tetyukhe 5-4
- Neftyanik Ukhta - RVZ Riga 8-4
- Avtomobilist Novokuznetsk - Neftyanik Leninogorsk 7-3
- Neftyanik Ukhta - Neftyanik Leninogorsk 6-0
- Avtomobilist Novokuznetsk - RVZ Riga 2-3
- Neftyanik Leninogorsk - Granit Tetyukhe 5-4
- RVZ Riga - Neftyanik Leninogorsk 3-1
- Neftyanik Ukhta - Granit Tetyukhe 4-0
- RVZ Riga - Granit Tetyukhe 8-5
- Neftyanik Ukhta - Avtomobilist Novokuznetsk 4-1
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- Final
Results - Final group
- Yuzhny Ural Orsk - Stroitel Karaganda 3-0
- Neftyanik Ukhta - RVZ Riga 2-1
- RVZ Riga - Yuzhny Ural Orsk 3-2
- Neftyanik Ukhta - Stroitel Karaganda 1-3
- Stroitel Karaganda - RVZ Riga 3-2
- Neftyanik Ukhta - Yuzhny Ural Orsk 5-1
- Stroitel Karaganda - Yuzhny Ural Orsk 2-1
- Neftyanik Ukhta - RVZ Riga 3-1
- Yuzhny Ural Orsk - RVZ Riga 9-3
- Neftyanik Ukhta - Stroitel Karaganda 9-1
- Stroitel Karaganda - RVZ Riga 2-1
- Neftyanik Ukhta - Yuzhny Ural Orsk 6-1
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Final results
Neftyanik Ukhta, Storoitel Karaganda, and Yuzhny Ural Orsk qualified for the Vtoraya Liga.