Objective: Childhood trauma (CT) is frequently observed in fibromyalgia syndrome (FMS) and may cause various physical and mental morbidities. Sexual functioning is severely affected by CT. It was aimed to assess of the relationship between CT and sexual functioning in female patients with FMS. Methods: Consecutive outpatients with FMS (n=49, mean age: 40.82±6.91) and a control group similar to patient group in terms of age and education (n=45, mean age: 38.60±5.84) were enrolled. Fibromyalgia Impact Questionnaire (FIQ), Female Sexual Functioning Index (FSFI), Childhood Trauma Questionnaire (CTQ-28), Beck Depression Inventory (BDI), State-Trait Anxiety Inventory (STAI) and Visual Analog Scale (VAS) were the measures. Results: Patients had significantly lower scores than healthy control group in FSFI (for pain subscore p=0.037, for the other subscores p [Anadolu Psikiyatri Derg 2013; 14(3.000): 200-209]