Miss Universe 1984, the 33rd edition, was held on 1984-07-09 at the James L. Knight Convention Center in Miami, Florida, USA. Hosted by Bob Barker with Joan Van Ark as commentator and broadcast live on CBS and WTVJ, the event featured 81 delegates. Yvonne Ryding of Sweden was crowned Miss Universe 1984 by outgoing titleholder Lorraine Downes of New Zealand. Entertainment included performances by Tom Jones and Miami Sound Machine.