Aim: The study was conducted to examine the relation between self‐efficacy in patients with chronic obstructive pulmonary disease (COPD) and caregiver burden. Material and methods: This descriptive, cross‐sectional study included 200 patients with stage II and III COPD presenting to hospital between June and November in 2017 and their caregivers. Data were gathered with a questionnaire, COPD Assessment Test and COPD Self‐Efficacy Scale from the patients. A questionnaire and Caregiver Burden Scale was used to collect data from the caregivers.