So Loi Keung (Chinese: 蘇來強; Jyutping: sou1 loi4 koeng4; born 27 October 1982) is a former Hong Kong professional footballer who played as a midfielder.

[1] On 16 June 2011, Citizen announced that they had signed So for the 2011–12 Hong Kong First Division League season and the 2012 AFC Cup.

[3] So is reunited with former teammate Chiu Chun Kit at Citizen and both have been recruited to be coaches at the Hong Kong Arsenal Soccer School.

[4] So was selected to represent Hong Kong in the 2011 AFC Asian Cup qualification match away to Bahrain.

[5] On 16 June 2011, So was named as one of the 25-men Hong Kong squad to face Saudi Arabia in the 2014 FIFA World Cup Asian qualification match.