| Club: | ATK |
| Season: | 2018–19 |
| Manager: | Steve Coppell |
| Mgrtitle: | Head Coach |
| Chairman: | Kolkata Games and Sports Pvt. Ltd. |
| Chrtitle: | Owners |
| Stadium: | Salt Lake Stadium |
| League: | Indian Super League |
| League Result: | 6th |
| Cup1: | Super Cup |
| Cup1 Result: | Semi-final |
| League Topscorer: | Manuel Lanzarote (5) |
| Season Topscorer: | Manuel Lanzarote (7) |
| Highest Attendance: | 41,202 |
| Lowest Attendance: | 15,333 |
| Average Attendance: | 21,885 |
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| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
The 2018–19 ATK season was the club's fifth season since its establishment in 2014 and their fifth season in the Indian Super League. The fifth edition of ISL commenced with a new look ATK renewing its seasonal rivalry against Kerala Blasters FC on Saturday, 29 September, at the Vivekananda Yuba Bharati Krirangan.
See also: 2017–18 ATK season.
After a disappointing season, ATK has appointed Sanjoy Sen as their mentor to recruit national players.[1] The former Mohun Bagan A.C. head coach roped in some of his own former players who he had the experience of working with, along with former ATK players Arnab Mondal and Cavin Lobo.[2]
ATK went to Spain on 18 August for their pre-season. This campaign will end on 15 September. In Spain they played some friendly matches with local clubs and one match with Premier League club Fulham F.C.
They played their first match on 31 August with Lorca FC and won by one goal scored by Kalu Uche. In the second friendly they won by one goal again by defeating Spanish club Real Murcia. ATK played their third match with highly competitive Premier League club Fulham F.C. and defeated just by a whisker.
See main article: 2018–19 Indian Super League.
See main article: article and 2019 Indian Super Cup.
As one of the top six teams in 2018–19 Indian Super League, ATK qualified for the main round in 2019 Indian Super Cup. ATK were scheduled to play the I-League side, Real Kashmir FC in Round of 16 match. ATK defeated Real Kashmir Fc by 3 - 1 to reach quarter finals of Super cup. Now they will face Indian Super League team Delhi Dynamos in quarters.[3]
| Position | Name | |
|---|---|---|
| Head coach | Steve Coppell | |
| Assistant coach | Wally Downes | |
| Head of Youth Development |  Sanjoy Sen | |
| Goalkeeper coach | Bobby Mimms | |
| Physiotherapists | Avinandan Chatterjee | |
| Noel Augustine | ||
| Physical trainer |  Djair Miranda Garcia | |
| Team manager | Avishek Bhattacharjee |