Background:Neck pain can affect the quality of life; it has been found that those who work are more likely to develop neck pain. Self-administered questionnaires are becoming more often used as an assessment tool in clinical practice. Purpose:this study was done to translate and subjected to determine the Northwick Park Neck Pain questionnaire face validity, content validity, construct validity, responsiveness, feasibility; internal consistency reliability, and test-retest reliability in neck pain patients. Methodology: Twenty experts (2 panels) with PhD, and 135 patients with chronic neck pain participated in this study. Forward Arabic translation of the Northwick Park Neck Pain questionnaire, Making the first version of the Arabic translation; Blind back-translation of the questionnaire's initial translation, face and content validity of the pre-final Arabic questionnaire were examined and measured by scale content validity. Expert proportion of clearance, Index of content validity (CVI), Expert proportion of relevance, missed item index, Time needed to answer the questions were measured. Cronbach's coefficient alpha to measure internal consistency reliability, Intraclass Correlation Coefficient (ICC) to examine test re-test reliability and find the degree of association between NPQ and neck disability index (NDI) questionnaire, Responsiveness for Arabic version of Northwick Park neck pain questionnaire was assessed.