Aciotis is a genus of flowering plants in the family Melastomataceae. The genus was first described in 1823 by David Don.

There are about 13 species distributed from Mexico to Brazil.

Species include:

• Aciotis acuminifolia (Mart. ex DC.) Triana
• Aciotis annua (Mart. ex DC.) Triana
• Aciotis aristellata Markgr.
• Aciotis asplundii Wurdack
• Aciotis circaeifolia (Bonpl.) Triana
• Aciotis ferreirana
• Aciotis indecora (Bonpl.) Triana
• Aciotis oliveriana Freire-Fierro
• Aciotis ornata (Miq.) Gleason
• Aciotis paludosa (Mart. ex DC.) Triana
• Aciotis polystachya (Bonpl.) Triana
• Aciotis purpurascens (Aubl.) Triana
• Aciotis rubricaulis (Mart. ex DC.) Triana
• Aciotis viscida (Benth.) Freire-Fierro
• Aciotis wurdackiana Freire-Fierro

...