2011 Thai FA Cup
The Thai FA Cup 2011 () is the 18th season of Thailand knockout football competition. The tournament is organized by the Football Association of Thailand.

The cup winner were guaranteed a place in the 2012 AFC Champions League.

Calendar

Qualifying round

|colspan="3" style="background-color:#99CCCC"|20 April 2011

Prachinburi won because Sananrak Municipality disqualified

First round

|colspan="3" style="background-color:#99CCCC"|20 April 2011

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|colspan="3" style="background-color:#99CCCC"|27 April 2011

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|colspan="3" style="background-color:#99CCCC"|11 May 2011

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|colspan="3" style="background-color:#99CCCC"|25 May 2011

 1 Ratchaburi won because Mukdahan City withdrew

Second round

|colspan="3" style="background-color:#99CCCC"|8 June 2011

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|colspan="3" style="background-color:#99CCCC"|15 June 2011

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|colspan="3" style="background-color:#99CCCC"|22 June 2011

 2 Songkhla won because Yasothon United withdrew
 3 Thai Honda withdrew before lots of Second round.

Third round

|colspan="3" style="background-color:#99CCCC"|9 July 2011

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|colspan="3" style="background-color:#99CCCC"|10 July 2011

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|colspan="3" style="background-color:#99CCCC"|16 July 2011

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|colspan="3" style="background-color:#99CCCC"|17 July 2011

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|colspan="3" style="background-color:#99CCCC"|20 July 2011

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|colspan="3" style="background-color:#99CCCC"|27 July 2011

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|colspan="3" style="background-color:#99CCCC"|17 August 2011

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|colspan="3" style="background-color:#99CCCC"|19 October 2011

 4 (C) is Champion in last season.
 5 (RC) is Runner-up in last season.

Fourth round

|colspan="3" style="background-color:#99CCCC"|4 September 2011

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|colspan="3" style="background-color:#99CCCC"|26 October 2011

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Fifth round

|colspan="3" style="background-color:#99CCCC"|27 August 2011

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|colspan="3" style="background-color:#99CCCC"|28 August 2011

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|colspan="3" style="background-color:#99CCCC"|31 August 2011

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|colspan="3" style="background-color:#99CCCC"|19 October 2011

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|colspan="3" style="background-color:#99CCCC"|26 October 2011

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|colspan="3" style="background-color:#99CCCC"|30 November 2011

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 1 Police United failed to turn up for their game.

Quarter-finals

|colspan="3" style="background-color:#99CCCC"|4 January 2012

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|colspan="3" style="background-color:#99CCCC"|5 January 2012∗

∗The original schedule was January 4 but postponed due to weather condition (heavy rain).

Semi-finals

|colspan="3" style="background-color:#99CCCC"|7 January 2012

Final

|colspan="3" style="background-color:#99CCCC"|11 January 2012

References 

Thai FA Cup seasons
1