Background: Collaboration is an important concept in goal-setting in occupational therapy. However, this concept is not stable due to various definitions. The purpose of this study was to clarify the concept of collaboration in occupational therapy. Method: A scoping review was used to search for all articles related to occupational therapy and collaboration. PubMed, Web of Science, CINAHL, and OT Seeker searches were conducted using predetermined keywords. Three examiners independently reviewed and assessed the quality of each study using Walker and Avant’s concept analysis method. Results: Results of the database searches yielded 1873 studies, 585 of which were deemed eligible to include in this review. Results showed five attributes (“active participation for the common objective”, “existence of something to share”, “matured communication and interaction”, “relationship founded on the respect and trust” and “complementing each other”) and two antecedents and several consequences. Conclusions: Our findings may contribute to collaborative goal-setting and occupational therapy.