ABSTRACT Objective To analyze the effect of lavender essential oil associated with massage on spinal pain levels in obese women. Methods The sample included 49 obese women, between 20 and 60 years of age, randomly assigned to three groups: control (n=15), intervention (n=19) and placebo (n=15). The intervention and placebo groups were submitted to eight 35-minute sessions, twice a week for one month, but the essential oil of Lavandula angustifolia was used only in the intervention group. A placebo was used for the placebo group and the control group received no intervention. Pain levels were measured before and after the intervention using the Visual Analog Scale. Results There was a significant decrease in total spinal pain (p=0.004), in the cervical region (p=0.003) and in the lumbar region (p=0.008) in the intervention group. Conclusion Lavender essential oil had a positive impact on the reduction of pain in the spine of obese women, as well as in the specific areas of the cervical and lumbar regions compared to the control and placebo groups. Level of evidence I; Randomized clinical trial.