Isa Halim

Woodlands Wellington

Isa started his professional career at the age of 19 playing for Woodlands Wellington in the 2005 S.League season. In his first season, he was part of the club starting line up in the 2005 Singapore Cup final where Woodlands Wellington lost 3–2 to Home United.

Young Lions

In January 2006, Isa moved to Young Lions while he was serving his compulsory National Service. On 22 May 2006, he scored his first professional career goal in a 3–0 win over Albirex Niigata (S). In the 2008 S.League season, Isa was named the club captain for the campaign.

Home United

On 23 April 2009, Isa moved to Home United after 4 seasons at Young Lions. He make his club debut on 25 April in a 4–0 lost against Super Reds. On 19 November 2011, Isa won his first major trophy after helping Home United to win the 2011 Singapore Cup in a 1–0 win over Albirex Niigata (S).

LionsXII

On 9 December 2011, Isa was announced as a player for the newly created club, LionsXII which will compete in the 2012 Malaysia Super League. In the club debut season, they ended up as the runner-ups in the league. After Hariss Harun left the club, Isa was made the club captain in the 2015 season. Isa was part of the club player that help to win the 2013 Malaysia Super League and the 2015 Malaysia FA Cup.

Tampines Rovers

On 27 June 2015, after the dissolvement of LionsXII, Isa joined Tampines Rovers, in the process teaming up with his former coach V. Sundramoorthy.…

Youth

Isa was also part of the Singapore U23 team that took part in the 2005 Southeast Asian Games in Philippines and also won a bronze medal for the 2007 edition in Korat, Thailand.

Senior

Isa made his debut for the Singapore on 11 October 2005 against Cambodia. Isa was part of the team that won the 2007 AFF Championship and the 2012 AFF Championship. On 29 February 2012, he scored his first international goal in a 7–1 lost against Iraq during the 2014 FIFA World Cup qualification at the Grand Hamad Stadium.

Singapore Sports School

After hanging up his playing boots in 2017, Isa made the switch to coaching where he became the Singapore Sports School football head coach. In 2023, he guided them to win the 'B' Division boys’ League One championship final where it was the school's first national title since 2018.

Tokyo Verdy

As part of the ‘Coaches Overseas Attachment’ pilot programme by 'Unleash The Roar' football project, Isa alongside Noh Alam Shah embarked on an overseas coaching attachment with Japanese top-flight club Tokyo Verdy of the J1 League. Both Isa and Alam Shah are the first batch of coaches under the programme where they will be immersed in the day-to-day running of the club. The duo hold an Asian Football Confederation ‘A’ Diploma Coaching license, and will be support coaches for the Japanese team. They have started their overseas coaching attachment with Tokyo Verdy since 24 May 2024 and will be with the club until 10 December 2024.

Tanjong Pagar United

On 28 August 2025, Isa was announced as Tanjong Pagar United assistant coach working under Noh Alam Shah at the club.

According to an interview done in November 2007, Isa only got interested in football after watching a match Singapore and Malaysia with his grandfather. Isa started playing football competitively when he was 13 years old, back in his secondary school days, playing for Greenridge Secondary School. But it was only two years later when he got selected for Woodlands Wellington's and Singapore Under-16 teams did he take football seriously.