| Thai FA Cup | |
| Year: | 2012 |
| Other Titles: | Thai Com FA Cup 2012 |
| Country: | Thailand |
| Dates: | 25 April 2012 – 4 November 2012 |
| Num Teams: | 77 |
| Champions: | Buriram United |
| Count: | 2 |
| Runner-Up: | Army United |
| Matches: | 74 |
| Goals: | 212 |
| Top Goal Scorer: | Goran Jerković 9 goals |
| Prevseason: | 2011 |
| Nextseason: | 2013 |
The Thai FA Cup 2012 (th|มูลนิธิไทยคม เอฟเอคัพ) is the 19th season of Thailand knockout football competition. The Football Association of Thailand organizes the tournament.
The cup winner was guaranteed a place in the 2013 AFC Champions League.
| Round | Date | Matches | width=100 | Clubs ! | New entries this round |
|---|---|---|---|---|---|
| Qualifying Round | 25,26 April 2012 | 20 | 40 → 20 | 40 | |
| First Round | 2 May 2012 | 11 | 20 + 2 → 11 | 2 | |
| Second Round | 9,16 May 2012 | 14 | 11 + 17 → 14 | 17 2012 Thai Division 1 League non Saraburi withdrew | |
| Third Round | 1,15 August 2012 | 16 | 14 + 18 → 16 | 18 2012 Thai Premier League | |
| Fourth Round | 29 August 2012 | 8 | 16 → 8 | ||
| Quarter-finals | 3 October 2012 | 4 | 8 → 4 | ||
| Semi-finals | 24,25 October 2012 | 2 | 4 → 2 | ||
| Final | 4 November 2012 | 1 | 2 → 1 | ||
| Total | 77 clubs | ||||
The Qualifying Round was held on April 25–26, 2012. Thonburi University and Paknampo NSRU FC had byes.[1]
|-|colspan="3" style="background-color:#99CCCC"|25 April 2012|-|colspan="3" style="background-color:#99CCCC"|26 April 2012
1 Ranong won because Samut Prakan Customs United withdrew
The first round matches were held on May 2, 2012.[1]
|-|colspan="3" style="background-color:#99CCCC"|2 May 2012
The draw for the second round was held on 3 May 2012. Matches were held on May 9 and 16, 2012.
|-|colspan="3" style="background-color:#99CCCC"|9 May 2012|-|colspan="3" style="background-color:#99CCCC"|16 May 2012
1 Trat won because F.C. Phuket withdrew
The draw for the third round was held on 29 May 2012. Matches were held on 1 and 15 August 2012.
|-|colspan="3" style="background-color:#99CCCC"|1 August 2012|-|colspan="3" style="background-color:#99CCCC"|15 August 2012
1 Army United won because Trat players that break the rules
The draw for the third round was held on 17 August 2012. Matches were held on 29 August 2012.|-|colspan="3" style="background-color:#99CCCC"|29 August 2012
|-|colspan="3" style="background-color:#99CCCC"| 3 October 2012
|-|colspan="3" style="background-color:#99CCCC"|24,25 October 2012
See main article: 2012 Thai FA Cup Final. |-|colspan="3" style="background-color:#99CCCC"|4 November 2012