Philippine officials and business tycoons have offered more than 40 million pesos in cash.
The Philippines has competed at every edition of the Summer Olympics since 1924 — except for a boycott of the 1980 Moscow Games — and has won three silver and seven bronze medals.
She joins the ranks of a handful of Filipino sports celebrities who have earned international acclaim, led by boxer Manny Pacquiao, now a senator and a possible presidential contender in next year’s elections.
Philippine TV networks have run tributes on Diaz, focusing on how she overcame poverty in her southern hometown of Zamboanga through sports.
Others have pledged a residential condominium unit in an upscale district, a vacation house in a resort city south of Manila, a new van and free gasoline, as well as free commercial flights for life.