The 2014 S.League was the 19th season since the establishment of the S.League, the top-flight Singaporean professional league for association football clubs.

The league was also known as the Great Eastern Yeo's S.League due to sponsorship reasons.

For the first time, free-to-air MediaCorp okto broadcast all Friday matches that were held at the Jalan Besar Stadium live on its channel, including a weekly S.League Show.

Albirex Niigata (S), DPMM FC and Harimau Muda B were invited foreign clubs from Japan, Brunei and Malaysia respectively.

Note: Flags indicate national team as has been defined under FIFA eligibility rules.