The qualifying process for the 1984 Thomas Cup took place from 20 to 26 February 1984 to decide the final teams which will play in the final tournament. Qualification process. Starting from 1984, the qualification process will be divided into three regions, the Asian Zone, the European Zone and the Pan American Zone. The Asian Zone is subdivided into two subzones, the West and the East. Teams in their respective zone will first compete in a round-robin elimination format. The top two teams will advance to the knockout stages to compete for a place in the final tournament to be held in Kuala Lumpur. China qualified for the final tournament as defending champions while Malaysia qualified as hosts. Asian Zone (West). The qualification rounds for the West Asian Zone were held from 22 to 26 February at the Indraprashtha Indoor Stadium in New Delhi, India. Originally, six teams took part in qualifying for the final tournament. Burma withdrew from the competition. Knockout stage. <onlyinclude><section begin=bracket /> <section end=bracket /></onlyinclude> Asian Zone (East). The East Asian zone qualifying rounds were held from 20 to 25 February at the Queen Elizabeth Stadium in Hong Kong. Seven teams took part in qualifying with the Philippines making their first ever appearance in qualifying for the Thomas Cup. Knockout stage. <onlyinclude><section begin=bracket /> <section end=bracket /></onlyinclude> European Zone. The European qualifying rounds were held in the Koninklijke Stallingen in Ostend, Belgium. Fourteen teams took part in the qualifiers with newcomers Belgium, Iceland and Zambia competing in qualifying for the final tournament for the first time. Knockout stage. <onlyinclude><section begin=bracket /> <section end=bracket /></onlyinclude> Pan American Zone. The qualifying rounds for the Pan American zone were held at the Humber College Athletic Center in Toronto, Canada. Seven teams competed in qualifying for the final tournament. Knockout stage. <onlyinclude><section begin=bracket /> <section end=bracket /></onlyinclude>