| Clubname: | OFC Kostenets |
| Fullname: | United Football Club Kostenets |
| Ground: | Benkovski Stadium, Kostenets |
| Capacity: | 2,500 |
| Manager: | Nikolay Nikolov |
| League: | A RFG Sofia |
| Season: | 2022–23 |
| Position: | 4th |
| Leftarm1: | FFDF00 |
| Body1: | FFDF00 |
| Rightarm1: | FFDF00 |
| Shorts1: | 000000 |
| Socks1: | 000000 |
| Leftarm2: | 000000 |
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| Shorts2: | FFDF00 |
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OFC Kostenets (Bulgarian: ОФК Костенец) is a Bulgarian association football club based in Kostenets, which competes in the A RFG Sofia, the forth division of the Bulgarian football league system. Fratrias home ground is the Benkovski Stadium, which has a capacity of 2,500 spectators.
OFC Kostenets was established in 2020 and joined A RFG Sofia. In 2023 the team signed a sponsorship contract with 8888.bg and expressed a desire to get experienced players. They signed with Svetoslav Petrov, Yordan Varbanov, Milen Kikarin and Petar Dimitrov.[1] In November 2023 they surprisingly signed with the ex-national star player Valeri Bojinov.[2] They also announced the joining of another ex-national player Radoslav Vasilev.[3] The team finished the first half of the season with 10 wins from 10 matches. In February 2024 they also got the captain of Pirin Razlog.[4]
| Period | Kit manufacturer | Shirt partner |
|---|---|---|
| 2020–2023 |  Jumper | None |
| 2023– | 8888.bg |
Had international caps for their respective countries, held any club record, or had more than 100 league appearances. Players whose name is listed in bold represented their countries.
| Season | League | Bulgarian Cup< | --Kept in case of future necessity!rowspan=2 | League Cup--> | Other competitions | Top goalscorer | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| scope=col | Division | scope=col | Level | scope=col | P | scope=col | W | scope=col | D | scope=col | L | scope=col | F | scope=col | A | scope=col | GD | scope=col | Pts | scope=col data-sort-type="number" | Pos |
| scope=row rowspan=1 | 2020–21 | A RFG Sofia | 4 | 16 | 13 | 2 | 1 | 47 | 9 | +36 | 41 | 1st | DNQ | ||||||||
| scope=row rowspan=1 | 2021–22 | 4 | 21 | 13 | 4 | 4 | 54 | 25 | +29 | 43 | 5th | DNQ | |||||||||
| scope=row rowspan=1 | 2022–23 | 4 | 26 | 19 | 3 | 4 | 91 | 33 | +58 | 60 | 4th | DNQ | |||||||||
| scope=row rowspan=1 | 2023–24 | 4 | |||||||||||||||||||
| Champions | Runners-up | Promoted | Relegated |