| Season: | 1978–79 |
| League Result: | 2nd |
| Cup1 Result: | 5th round |
| League Topscorer: | Ešref Jašarević (9) Gökmen Özdenak (9) |
| Season Topscorer: | Ešref Jašarević (9) Gökmen Özdenak (9) |
| Highest Attendance: | 36,836 vs Fenerbahçe SK (1. Lig, 22 October 1978) |
| Lowest Attendance: | 5,268 vs MKE Kırıkkalespor (Türkiye Kupası, 25 October 1978) |
| Average Attendance: | 23,094 |
| Pattern La1: | _Galatasaray1961-1991 |
| Pattern B1: | _Galatasaray1961 1987 |
| Pattern Ra1: | _Galatasaray1961-1991 |
| Pattern Sh1: | _red_stripes_adidas |
| Pattern So1: | _Galatasaray1961-1983 |
| Leftarm1: | C80815 |
| Rightarm1: | FFD900 |
| Shorts1: | FFFFFF |
| Socks1: | C80815 |
| Pattern B2: | _Galatasaray78-80away |
| Pattern Sh2: | _red_stripes_adidas |
| Pattern La3: | _redlower |
| Pattern B3: | _3redstripes2 |
| Pattern Ra3: | _redlower |
| Pattern Sh3: | _red_stripes_adidas |
| Pattern So3: | _Galatasaray1961-1983 |
| Leftarm3: | FFDD00 |
| Body3: | FFDD00 |
| Rightarm3: | FFDD00 |
| Shorts3: | FFFFFF |
| Socks3: | CD0000 |
The 1978–79 season was Galatasaray's 75th in existence and the club's 21st consecutive season in the Turkish First Football League. This article shows statistics of the club's players in the season, and also lists all matches that the club have played in the season.
| No. | Pos. | Name | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||||
| align="left" | - | GK |  Eser Özaltındere | 28 | 0 | 2 | 0 | 1 | 0 | 31 | 0 |
| align="left" | - | GK | Bahattin Demircan | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 0 |
| align="left" | - | GK | Haydar Erdoğan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| align="left" | - | DF | Fatih Terim (C) | 27 | 2 | 2 | 2 | 2 | 1 | 31 | 5 |
| align="left" | - | DF | Güngör Tekin | 28 | 4 | 1 | 0 | 2 | 0 | 31 | 4 |
| align="left" | - | DF | Cüneyt Tanman | 26 | 5 | 2 | 0 | 2 | 0 | 30 | 5 |
| align="left" | - | DF | Erdoğan Arıca | 29 | 0 | 2 | 0 | 2 | 0 | 33 | 0 |
| align="left" | - | DF | Müfit Erkasap | 27 | 0 | 1 | 0 | 2 | 0 | 30 | 0 |
| align="left" | - | DF | Tuncay Temeller | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0 |
| align="left" | - | DF | Rıdvan Kılıç | 16 | 0 | 2 | 0 | 1 | 0 | 19 | 0 |
| align="left" | - | DF | Ali Yavaş | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 0 |
| align="left" | - | MF | Jusuf Hatunić | 4 | 0 | 2 | 0 | 0 | 0 | 6 | 0 |
| align="left" | - | MF | Mehmet Oğuz | 29 | 1 | 2 | 0 | 1 | 0 | 32 | 1 |
| align="left" | - | MF | Gürcan Aday | 15 | 1 | 1 | 0 | 1 | 0 | 17 | 1 |
| align="left" | - | MF | Metin Yıldız | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 0 |
| align="left" | - | MF | Turgay İnal | 18 | 4 | 2 | 0 | 1 | 1 | 21 | 5 |
| align="left" | - | MF | Hasan Moralı | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
| align="left" | - | FW | Murat Kandil | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| align="left" | - | FW | Gökmen Özdenak | 30 | 9 | 1 | 0 | 1 | 0 | 32 | 9 |
| align="left" | - | FW | Öner Kılıç | 30 | 7 | 2 | 0 | 2 | 0 | 34 | 7 |
| align="left" | - | FW | Tacettin Ergürsel | 2 | 0 | 0 | 0 | 2 | 0 | 4 | 0 |
| align="left" | - | FW | Ešref Jašarević | 24 | 9 | 2 | 0 | 0 | 0 | 26 | 9 |
| align="left" | - | FW | Zafer Dinçer | 19 | 4 | 1 | 0 | 0 | 0 | 20 | 4 |
| align="left" | - | FW | Mustafa Dil | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| GK | Eser Özaltındere | 24 | Adana Demirspor | |
| FW | Ešref Jašarević | 26 | Kayserispor | |
| DF | Jusuf Hatunić | 28 | Kayserispor | |
| FW | Metin Yıldız | 18 | Galatasaray A2 | |
| MF | Hasan Moralı | 20 | Galatasaray A2 | |
| GK | Nihat Akbay | 33 | Retired | |
| FW | Şükrü Tetik | 21 | Samsunspor | |
| MF | Bülent Ünder | 29 | Retired | |
See main article: 1978–79 1.Lig.
Kick-off listed in local time (EET)
See main article: 1978–79 UEFA Cup.
Kick-off listed in local time (EET)
Kick-off listed in local time (EET)
| Competition | Av. Att. | Total Att. |
|---|---|---|
| 1. Lig | 23,094 | 346,415 |
| Türkiye Kupası | 5,268 | 5,268 |
| UEFA Cup | 38,443 | 38,443 |
| Total | 22,949 | 390,126 |