BACKGROUND: Lateral elbow tendinopathy (LET) is one of the most common lesions of the upper extremity. The level of evidence from studies on LET treatment protocols is insufficient. OBJECTIVE: The aim of this study was to compare the acute effects of mobilization with movement (MWM) and muscle energy technique (MET) on pain, grip strength, and functionality in patients diagnosed with LET. METHODS: Forty-five patients with LET aged 30–55 years were enrolled in this study. Patients were divided into three groups: MWM, MET, and control group. The control group received a 4-week home exercise program. In addition to the home exercise program in the MWM group, 12 sessions of MWM and 12 sessions of MET were performed in the MET group. Participants’ pain, grip strength, and functionality were assessed before and after the study. RESULTS: After the treatment period, greater improvement in pain, grip strength, finger strength, and functionality were observed in the MWM and MET groups than in the control group (p < 0.05), but no statistically significant difference was found between the MWM and MET groups (p > 0.05). CONCLUSIONS: This study shows that MWM and MET, used in addition to home exercises, can be used to relieve pain and increase grip strength, finger strength, and functionality.