| Club: | Ulsan Hyundai |
| Season: | 2012 |
| Chrtitle: | Chairman |
| Mgrtitle: | Head Coach |
| Stdtitle: | Stadium |
| League Result: | 5th |
| Cup1 Result: | Semifinals |
| Cup2 Result: | Champions |
| Cup3 Result: | 6th |
| League Topscorer: |  Maranhão (9) |
| Season Topscorer: | Maranhão (14) |
| Highest Attendance: | (November 10) |
| Lowest Attendance: | 1,107 vs Seongnam (March 16) |
| Average Attendance: | 5,413 (as of May 30) |
| Pattern La1: | _ulsan12h |
| Pattern B1: | _ulsan12h |
| Pattern Ra1: | _ulsan12h |
| Pattern Sh1: | _ulsan12h |
| Leftarm1: | 0077FF |
| Body1: | 0077FF |
| Rightarm1: | 0077FF |
| Shorts1: | 0077FF |
| Socks1: | 0077FF |
| Pattern La2: | _ulsan12a |
| Pattern B2: | _ulsan12a |
| Pattern Ra2: | _ulsan12a |
| Pattern Sh2: | _ulsan12a |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
| Nextseason: | 2013 |
The 2012 season was Ulsan Hyundai FC's thirtieth season in the K-League in South Korea. Ulsan Hyundai is competing K-League, Korean FA Cup, AFC Champions League and FIFA Club World Cup.
All times are Korea Standard Time (KST) – UTC+9
Statistics accurate as of match played 27 June 2012
| No. | Nat. | Pos. | Name | League | FA Cup | Champions League | Appearances | Goals | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apps | Goals | Apps | Goals | Apps | Goals | App (sub) | Total | ||||||
| 1 |  | GK | Kim Young-Kwang | 13 | 0 | 2 | 0 | 3 | 0 | 18 (0) | 18 | 0 | |
| 2 | | DF | Lee Yong | 6 | 0 | 0 | 0 | 3 | 0 | 9 (0) | 9 | 0 | |
| 3 | | DF | Lee Jae-Seong | 13 (4) | 1 | 2 | 0 | 5 (1) | 1 | 20 (5) | 25 | 2 | |
| 4 | | DF | Kang Min-Soo | 15 (2) | 1 | 2 | 0 | 6 | 1 | 23 (2) | 25 | 2 | |
| 5 | | DF | Kwak Tae-Hwi | 15 | 1 | 0 (1) | 0 | 7 | 1 | 22 (1) | 23 | 2 | |
| 6 | | DF | Choi Sung-Hwan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 7 | | MF | Ko Chang-Hyun | 6 (1) | 1 | 1 (1) | 0 | 0 | 0 | 7 (2) | 9 | 1 | |
| 8 | | MF | Lee Ho | 16 | 0 | 1 (1) | 0 | 5 (1) | 0 | 22 (2) | 24 | 0 | |
| 9 | | FW | Kim Shin-Wook | 11 (6) | 3 | 2 | 2 | 4 (2) | 3 | 17 (8) | 25 | 8 | |
| 10 | | FW | Maranhão | 5 (11) | 8 | 1 (1) | 1 | 3 (3) | 2 | 9 (15) | 24 | 11 | |
| 11 | | FW | Lee Keun-Ho | 15 (2) | 5 | 0 | 0 | 7 | 1 | 22 (2) | 24 | 6 | |
| 13 | | MF | Kim Seung-Yong | 15 | 2 | 2 | 0 | 7 | 2 | 24 (0) | 24 | 4 | |
| 14 | | MF | Kim Young-Sam | 10 (2) | 0 | 1 | 0 | 4 | 0 | 15 (2) | 17 | 0 | |
| 15 | | MF | Kim Dong-Suk | 3 (5) | 0 | 1 (1) | 0 | 1 (2) | 0 | 5 (8) | 13 | 0 | |
| 16 | | FW | Park Seung-Il | 0 (2) | 0 | 0 | 0 | 0 (2) | 0 | 0 (4) | 4 | 0 | |
| 17 | | MF | Go Seul-Ki | 14 (1) | 2 | 2 | 0 | 6 | 1 | 22 (1) | 23 | 3 | |
| 18 | | GK | Kim Seung-Gyu | 5 | 0 | 0 | 0 | 4 | 0 | 9 (0) | 9 | 0 | |
| 19 | | FW | Rafinha | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 20 |  | MF | Julián Estiven Vélez | 17 (1) | 0 | 1 | 0 | 7 | 1 | 25 (1) | 26 | 1 | |
| 21 | | FW | Lee Seung-Yeoul | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 22 | | DF | Choi Bo-Kyung | 0 (1) | 0 | 0 | 0 | 0 | 0 | 0 (1) | 1 | 0 | |
| 23 | | FW | Kim Da-Bin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 24 | | DF | Lim Chang-Woo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 25 | | MF | Choi Jin-soo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 27 | | DF | Kang Jin-Wook | 5 | 0 | 2 | 0 | 1 (1) | 0 | 8 (1) | 9 | 0 | |
| 28 | | DF | Kim Chi-Gon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 29 | | MF | Kim Yong-Tae | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 30 | | DF | Jung Woon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 31 | | GK | Jeon Hong-Suk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 32 | | FW | Park Kyung-Ik | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 33 | | MF | Min Hoon-Gi | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 34 | | DF | Yoon Jung-Min | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 35 | | GK | Lee Hee-Sung | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 37 | | FW | Park Dong-Hyuk | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 39 | | MF | Lee Dong-Hyun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 6 | | DF | Choi Jae-Soo (out) | 8 (3) | 1 | 1 | 0 | 2 (2) | 0 | 11 (5) | 16 | 1 | |
| 19 | | MF | Byun Woong (loan out) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 21 | | FW | Kim Hyo-Gi (loan out) | 1 (1) | 0 | 0 | 0 | 0 (2) | 0 | 1 (3) | 4 | 0 | |
| 26 | | MF | Kim Jong-Gook (loan out) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 28 |  | MF | Akihiro Ienaga (out) | 5 (5) | 1 | 1 (1) | 0 | 2 (3) | 0 | 8 (9) | 17 | 1 | |
| 29 | | MF | Kim Seo-Joon (out) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 38 | | FW | Jung Jang-Hoon (out) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 40 | | DF | Kim Nam-Geol (out) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Rank | Nation | Number | Name | K-League | KFA Cup | Champions League | Sum | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| width=50 | Goals | width=50 | Assists | width=50 | Goals | width=50 | Assists | width=50 | Goals | width=50 | Assists | width=50 | Goals | width=50 | Assists |
| 1 | | 10 | Maranhão | 8 | 1 | 1 | 1 | 2 | 1 | 11 | 3 | 14 | |||
| 2 | | 9 | Kim Shin-Wook | 3 | 1 | 2 | 0 | 3 | 1 | 8 | 2 | 10 | |||
| = | | 11 | Lee Keun-Ho | 5 | 1 | 0 | 0 | 1 | 3 | 6 | 4 | 10 | |||
| = | | 17 | Go Seul-Ki | 2 | 6 | 0 | 0 | 1 | 1 | 3 | 7 | 10 | |||
| 3 | | 13 | Kim Seung-Yong | 2 | 1 | 0 | 0 | 2 | 1 | 4 | 2 | 6 | |||
| 4 | | 5 | Kwak Tae-Hwi | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 3 | |||
| = | | 7 | Ko Chang-Hyun | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 3 | |||
| = | | 14 | Kim Young-Sam | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | |||
| 5 | | 3 | Lee Jae-Seong | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 2 | |||
| = | | 4 | Kang Min-Soo | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 2 | |||
| = | | 6 | Choi Jae-Soo | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | |||
| = | | 20 | Julián Estiven Vélez | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | |||
| 6 | | 28 | Akihiro Ienaga | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |||
| = | | 27 | Kang Jin-Wook | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | |||
| / | / | / | Own Goals | 0 | - | 0 | - | 1 | - | 1 | - | 1 | |||
| / | / | / | TOTALS | 26 | 15 | 3 | 3 | 14 | 9 | 43 | 27 |
| Position | Nation | Number | Name | K-League | KFA Cup | Champions League | Total | |||||
| GK | | 1 | Kim Young-Kwang | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| DF | | 2 | Lee Yong | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| DF | | 3 | Lee Jae-Seong | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| DF | | 4 | Kang Min-Soo | 4 | 0 | 1 | 0 | 2 | 0 | 7 | 0 | |
| DF | | 5 | Kwak Tae-Hwi | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| MF | | 7 | Ko Chang-Hyun | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
| DF | | 8 | Lee Ho | 4 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | |
| FW | | 9 | Kim Shin-Wook | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| FW | | 10 | Maranhão | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| FW | | 11 | Lee Keun-Ho | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| MF | | 13 | Kim Seung-Yong | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| MF | | 14 | Kim Young-Sam | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| MF | | 17 | Go Seul-Ki | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| DF | | 27 | Kang Jin-Wook | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| MF | | 28 | Akihiro Ienaga | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | |
| / | / | / | TOTALS | 29 | 0 | 2 | 0 | 9 | 0 | 40 | 0 | |
Lee Keun-Ho Lee Keun-Ho Kim Ho-Gon