| Club: | Club Olimpo |
| Season: | 2017–18 |
| Manager: | Mario Sciacqua (until 17 October 2017) Rubén Forestello (from 19 October 2017 to 12 December 2017) |
| Chairman: | Alfredo Dagna |
| Chrtitle: | President |
| Stadium: | Estadio Roberto Natalio Carminatti |
| League: | Primera División |
| League Result: | 26th |
| Cup1: | 2016–17 Copa Argentina |
| Cup1 Result: | Quarter-finals |
| Cup2: | 2017–18 Copa Argentina |
| Cup2 Result: | Round of 64 |
| League Topscorer: | Two players (3) |
| Season Topscorer: | Three players (3) |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 season was Club Olimpo's 6th consecutive season in the top-flight of Argentine football. The season covers the period from 1 July 2017 to 30 June 2018.
.[1]
| Date | Pos. | Name | From | Fee | |
|---|---|---|---|---|---|
| 20 July 2017 | DF |  Lucas Mancinelli | Temperley | Undisclosed[2] | |
| 21 July 2017 | DF | Cristian Nasuti | Vélez Sarsfield | Undisclosed | |
| 21 July 2017 | DF | Matías Cahais |  Veracruz | Undisclosed | |
| 21 July 2017 | MF | Maximiliano Fornari | Sarmiento | Undisclosed | |
| 21 July 2017 | MF |  Michael Covea | Deportivo La Guaira | Undisclosed | |
| 31 July 2017 | FW | Luis Vila | Gimnasia y Esgrima (J) | Undisclosed | |
| 6 August 2017 | FW | Ramón Lentini | San Martín (T) | Undisclosed | |
| 19 August 2017 | MF | Tomás Costa | Peñarol | Undisclosed |
| Date | Pos. | Name | To | Fee | |
|---|---|---|---|---|---|
| 1 July 2017 | FW |  José Erick Correa | Deportes Tolima | Undisclosed | |
| 6 July 2017 | DF | Néstor Moiraghi | Deportivo Cali | Undisclosed | |
| 15 July 2017 | DF | Ezequiel Parnisari | Aldosivi | Undisclosed | |
| 23 July 2017 | FW | Maximiliano Pérez | Fénix | Undisclosed | |
| 28 July 2017 | FW | Fernando Coniglio | Huracán (BA) | Undisclosed | |
| 31 July 2017 | FW | Lucas García |  SK Bischofshofen | Undisclosed | |
| 4 August 2017 | DF | Nicolás Álvarez | Los Andes | Undisclosed | |
| 8 August 2017 | MF | Federico Freire | Estudiantes (SL) | Undisclosed | |
| 6 September 2017 | DF | Joel Sacks | Mitre | Undisclosed | |
| 7 September 2017 | MF | José D'Angelo | San Telmo | Undisclosed |
| Date from | Date to | Pos. | Name | From | |
|---|---|---|---|---|---|
| 18 July 2017 | 30 June 2018 | DF | Pedro Silva | Boca Juniors[3] | |
| 25 July 2017 | 30 June 2018 | DF | Sergio Ojeda | Independiente | |
| 26 July 2017 | 30 June 2018 | MF | Franco Bellocq | Independiente | |
| 1 August 2017 | 30 June 2018 | DF | Mauricio Rosales | Estudiantes | |
| 30 August 2017 | 30 June 2018 | FW |  David Depetris | Huracán (BA) |
| Date from | Date to | Pos. | Name | To | |
|---|---|---|---|---|---|
| 7 July 2017 | 30 June 2018 | MF | Julián Fernández | Palestino | |
| 25 July 2017 | 30 June 2018 | GK | Nereo Champagne |  Leganés | |
| 9 August 2017 | 31 December 2017 | FW | Ezequiel Vidal | Juventud | |
| 20 August 2017 | 30 June 2018 | DF | Adrián Martínez | Guillermo Brown |
See main article: article and 2017–18 Argentine Primera División.
See main article: article and 2016–17 Copa Argentina.