Largest gathering of people dressed as cats
Who
ASEAN International Film Festival and Awards
What
440 people
Where
Malaysia (Kuching Amphitheatre, Kuching Sarawak, Malaysia)
When

The largest gathering of people dressed as cats is 440, achieved by ASEAN Film Festival and Awards 2017 (Malaysia), in Kuching, Malaysia, on 4 May 2017.

The costumes were required to cover the whole body, and include whiskers, ears, and a tail.