| Russian Cup | |
| Year: | 2017–18 |
| Other Title: | Olimp Russian Cup |
| Country: | Russia |
| Num Teams: | 98 |
| Champions: | Tosno (1st title) |
| Runner-Up: | Avangard Kursk |
| Matches: | 95 |
| Goals: | 259 |
| Top Goal Scorer: | Aleksandr Sobolev (4 goals) |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 Russian Cup was the 26th season of the Russian football knockout tournament since the dissolution of Soviet Union.
The competition started on 14 July 2017 and finished on 9 May 2018. The winners, FC Tosno, could have earned a spot in the 2018–19 UEFA Europa League group stage, but did not obtain the UEFA license and was closed a month later due to financial problems.
FNL clubs entered at this stage (except for FC Zenit-2 Saint Petersburg and FC Spartak-2 Moscow).
Teams from the Premier League entered the competition at this round. The matches were played on 20 and 21 September 2017.[1]
The matches were played on 25 October 2017.
The matches were played on 27 February, 28 February and 4 April 2018.
The matches were played on 18 April 2018.
See main article: 2018 Russian Cup final.