Rajania is a genus of plants in the Dioscoreaceae. It is native to the West Indies, with 14 of the 17 known species found in Cuba.

• Rajania angustifolia Sw. - Cuba, Haiti
• Rajania cephalocarpa Uline ex R.Knuth - Cuba
• Rajania cordata L. - Cuba, Hispaniola, Puerto Rico, Jamaica, Lesser Antilles
• Rajania ekmanii R.Knuth - Cuba
• Rajania hastata L. - Hispaniola
• Rajania microphylla Kunth - Bahamas, Cuba
• Rajania nipensis R.A.Howard - Cuba
• Rajania ovata Sw. - Cuba, Hispaniola
• Rajania pilifera Urb. - Haiti
• Rajania porulosa R.Knuth - Cuba
• Rajania psilostachya (Kunth) Uline - Cuba
• Rajania quinquefolia L. - Cuba, Hispaniola
• Rajania spiculiflora Uline ex R.Knuth - Haiti
• Rajania tenella R.A.Howard - Cuba
• Rajania tenuiflora R.Knuth - Cuba, Hispaniola
• Rajania theresensis Uline ex R.Knuth - Cuba
• Rajania wrightii Uline ex R.Knuth - Cuba

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