Isolona is a genus of flowering plants in the family Annonaceae. There are 21 species native to Africa. They occur in humid habitat types.

Species include:

  • Isolona campanulata Engler & Diels
  • Isolona capuronii Cavaco & Keraudren
  • Isolona cauliflora Verdc.
  • Isolona congolana (De Wild. & T. Durand) Engl. & Diels
  • Isolona cooperi Hutchinson & Dalziel
  • Isolona deightonii Keay
  • Isolona dewevrei Engl. & Diels.
  • Isolona ghesquierei Cavaco & Keraudren
  • Isolona heinsenii Engl. & Diels
  • Isolona hexaloba Engler
  • Isolona humbertiana Ghesq. ex Cavaco & Keraudr.
  • Isolona lebrunii Boutique
  • Isolona letestui Pellegr.
  • Isolona linearis
  • Isolona madagascariensis (A.DC.) Engl.
  • Isolona maitlandii Keay
  • Isolona perrieri Diels
  • Isolona pilosa Diels
  • Isolona pleurocarpa Diels
  • Isolona thonneri (De Wild. & T.Durand) Engl. & Diels
  • Isolona zenkeri Engl.