Dolbina inexacta is a species of moth of the family Sphingidae. It is found from Pakistan, northern and central India and Nepal across Myanmar, southern China, northern Thailand and northern Vietnam to Taiwan. The wingspan is 55–86 mm. The thorax, legs and wings undersides are brown. There are large black mesial patches on the abdomen underside. The discal interspace on the forewing upperside is sometimes pinkish grey between the discal cell and the hind margin.