Constantine I of Scotland may refer to:
- Causantín mac Cináeda, king of the Picts, counted as Constantine I in modern lists of Scottish monarchs
- Causantín mac Fergusa, king of the Picts, counted as Constantine I prior to the Victorian era
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.