The Port Hedland RSL Sub-Branch is affiliated with and governed by the Returned & Services League of Australia WA Branch Incorporated (RSL WA), which is an incorporated association operating under the Associations Incorporation Act 2015. Through this affiliation, the Port Hedland RSL aligns with the wider Returned & Services League of Australia and upholds its commitment to supporting current and former service personnel and their families in a non-political and non-sectarian way.

RSL WA serves as the recognised State Branch of RSL Australia, with national oversight provided by the RSL National Congress. Day-to-day governance within Western Australia is overseen by the RSL WA Board of Directors between Annual State Congresses, comprising the State President, State Vice-President, trustees and additional appointed members with relevant professional expertise.