Patrick William Cullinan (June 26, 1851 – July 29, 1926) was an American lawyer and politician from New York.
He was the first president of the Cornell Baseball Team and was the class orator at his graduation in 1872.
In 1879, he was elected to the New York State Assembly as a Republican, representing the Oswego County 1st District.
He prepared the forms and blanks for the department, formulated legal methods to enforce the Liquor Tax Law, and secured a harmonious line of judicial decisions throughout the state.
After Commissioner Henry H. Lyman died in 1901, Cullinan was appointed his replacement.