Philippines leader Rodrigo Duterte's daughter has named several politicians, including her father's closest aide and preferred successor, whom she said have offered to run with her in next year's presidential election.

Sara Duterte-Carpio, mayor of Davao City, is leading opinion polls but has yet to disclose her political plans ahead of the October deadline to file for candidacy.

Duterte-Carpio, 43, said on Facebook that...