A. dubia may refer to: Amphisbaena dubia, L. Müller, 1924, a worm lizard species in the genus Amphisbaena
Synonyms Alcippe dubia, a synonym for Schoeniparus dubia, the rusty-capped fulvetta, a bird species found in Bhutan, China, India and Laos Amoeba dubia, a synonym for Polychaos dubium, a freshwater amoeboid Anguillulina dubia, a synonym for Tylenchorhynchus dubius, a plant pathogenic nematode
See also Dubia (disambiguation)