- Athletics
Sprinter Haron Mundir sued the Singapore Amateur Athletic Association after it banned him for cutting short a training stint.

He won his case in the High Court, and was allowed to participate in the South-east Asia Games in Kuala Lumpur.
- Boxing
Two boxers excluded from the SEA Games, S. Suthevan and Jagdew Singh, refused to train in protest at the selection policy.
They were unhappy that the Singapore Amateur Boxing Association made its nominations without holding trials.
1993
- Golf
Top women's golfer Kee Bee Khim (below) was left out of the SEA Games team after she refused to attend centralised training.

Kee was also found guilty of throttling teammate Serene Poh when the two had an argument during a tournament in Canada.
- Tennis
National champion Lela Zainal was axed after a disagreement with the Singapore Lawn Tennis Association over travel claims of $130,000.
The SLTA also claimed she demanded payment to appear in the SEA Games.
- Karate
The Singapore Karate-do Federation claimed that pugilists from a breakaway group of five karate schools were not eligible for SEA Games selection.
The dispute was resolved after the Singapore Sports Council stepped in to mediate.
- Athletics
Firdhouse Saiyat was assured of a place when he finished second in the 100 metres event during the SAAA All-Comers meet.
But, to his disappointment, the SAAA picked top sprinter Muhamad Hosni after taking into consideration his timing at an unofficial trial.
1997
- Athletics
National 4x100m sprinter Hong Jinsheng was dropped and had his funding cut after the SAAA alleged that he was seen smoking and had failed to submit his training plans.
Hong countered that he quit to start a new job as a sales consultant.
- Athletics
Sprinter U.K. Shyam was deprived of a slot in the 4x100m team after he refused to re-run a trial which his rival Aaron Huang false-started.
The controversy dragged on for three months before Shyam was selected after he beat Huang in a run-off to decide who would earn the spot.
1999
- Football
Despite the public clamouring for the inclusion of football star V. Sundramoorthy, national coach Vincent Subramaniam left him out of his squad.
Subramaniam felt that Sundram, at 34, was past his best despite having an outstanding season in the S-League.
2001
- Athletics
Sprinter Alfred Sim, despite finishing joint-fourth in the 4x100m time trials, was not selected.
Relay coach Tang Ngai Kin insisted Sim, a schoolboy, did not have enough experience.
2003
- Shooting
Kwa Eng Cheong, individual trap gold medallist at the 2001 SEA Games, was excluded from the shooting squad.

The Singapore Shooting Association forgot to submit his name to the SNOC.
2005
- Fencing
Pek Wan Sze, a national fencer for four years, was dropped in favour of 14-year-old rookie Cheryl Wong. Pek was supported by Fencing Singapore, while Wong was backed by coach Viatcheslav Bobok.
Pek was dropped despite having better recent results and more experience.