| Singapore League Cup | |
| Year: | 2015 |
| Country: | Singapore |
| Dates: | 22 June – 10 July 2015 |
| Num Teams: | 10 |
| Champions: |  Albirex Niigata (S)(2 titles) |
| Runner-Up: | Balestier Khalsa |
| Matches: | 15 |
| Goals: | 49 |
| Top Goal Scorer: | Miroslav Krištić (6 goals) |
| Prevseason: | 2014 |
| Nextseason: | 2016 |
The 2015 Singapore League Cup (known as the TNP League Cup for sponsorship reasons) was the ninth season of Singapore's premier club football tournament organised by the Football Association of Singapore. DPMM FC were the defending champions, having won their third trophy the previous year. Albirex Niigata (S) were the eventual winners after defeating 2013 champions Balestier Khalsa 2–1 in the finals.
Unlike the previous three tournaments held in 2012, 2013 and 2014, the League Cup Plate Competition between the third-placing teams in each group after the group stages were cancelled from 2015 onward.
A total of 10 teams participated in the 2015 Singapore League Cup, eight S.League clubs and two National Football League clubs.[1] Courts Young Lions and Harimau Muda B did not participate in this year's edition of the Singapore League Cup.
Albirex Niigata (S)----
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Miroslav Krištić | Balestier Khalsa | 6 |
| 2 |  Bruno Castanheira | Geylang International | 5 |
| 3 | Kento Nagasaki | Albirex Niigata (S) | 3 |
| Rafael Ramazotti de Quadros | DPMM FC | ||
| Hafiz Nor | Geylang International | ||
| 6 | Atsushi Kawata | Albirex Niigata (S) | 2 |
| Fumiya Kogure | Albirex Niigata (S) | ||
| Ignatius Ang | Balestier Khalsa | ||
| Paulo Sérgio | DPMM FC | ||
 Jozef Kapláň | Geylang International | ||
| Azhar Sairudin | Home United | ||
| Diego Gama de Oliveira | Hougang United | ||
| 13 | 15 players | 1 | |
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