Otto I of Schwerin (died 1357) was a son of Count Gunzelin VI and Richardis of Tecklenburg.
In 1327, he succeeded his father as Count of Schwerin.
Otto was married to Princess Mathilda of Werle, a daughter of John III of Werle.
They had a daughter: Otto I died in 1357.
He had no male heir and was succeeded by his brother Nicholas I.