| Greek Cup | |
| Year: | 1997–98 |
| Num Teams: | 66 |
| Defending Champions: | AEK Athens |
| Winners: | Panionios (2nd title) |
| Second: | Panathinaikos |
| Matches: | 129 |
| Scoring Leader: | Ademar Dorneles Rodrigues (8 goals) |
| Prev Season: | 1996–97 |
| Next Season: | 1998–99 |
The 1997–98 Greek Football Cup was the 56th edition of the Greek Football Cup.
Totally 66 teams participated, 18 from Alpha Ethniki, 18 from Beta, and 30 from Gamma. It was held in 7 rounds, included final. The teams of Alpha Ethniki would enter in the competition in the round of 32.
Panionios made the surprise overcoming Panathinaikos in the final[1] [2] and won the second Cup in their history, after 1979. They were also newly-promoted in first division of that year, since in the previous season they had competed in second division. In semi-finals they eliminated PAOK. Panathinaikos in the round of 16 eliminated Panserraikos, achieving an impressive victory in Serres, with extraordinary 4–6, and while in half time they were behind in the score, 3–1.
| Round | Date(s) | Fixtures | Clubs | New entries | Leagues entering |
|---|---|---|---|---|---|
| First Round | 17, 24 August 1997 | 48 | 66 → 42 | 48 | Beta Ethniki & Gamma Ethniki |
| Second Round | 10, 24, 25 September 1997 | 20 | 42 → 32 | none | none |
| Round of 32 | 19 November & 3, 4, 24 December 1997 | 32 | 32 → 16 | 18 | Alpha Ethniki |
| Round of 16 | 7–9, 28, 29 January 1998 | 16 | 16 → 8 | none | none |
| Quarter-finals | 11, 25 February 1998 | 8 | 8 → 4 | ||
| Semi-finals | 4, 18 March 1998 | 4 | 4 → 2 | ||
| Final | 29 April 1998 | 1 | 2 → 1 |
Each tie in the knockout phase, apart from the final, was played over two legs, with each team playing one leg at home. The team that scored more goals on aggregate over the two legs advanced to the next round. If the aggregate score was level, the away goals rule was applied, i.e. the team that scored more goals away from home over the two legs advanced. If away goals were also equal, then extra time was played. The away goals rule was again applied after extra time, i.e. if there were goals scored during extra time and the aggregate score was still level, the visiting team advanced by virtue of more away goals scored. If no goals were scored during extra time, the winners were decided by a penalty shoot-out. In the final, which were played as a single match, if the score was level at the end of normal time, extra time was played, followed by a penalty shoot-out if the score was still level.
The mechanism of the draws for each round is as follows:
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The 54th Greek Cup Final was played at the Karaiskakis Stadium.
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| width=50% valign=top | MATCH OFFICIALS
| width=50% valign=top | MATCH RULES
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