Mark John Hellinger (March 21, 1903 – December 21, 1947) was an American journalist, theatre columnist and film producer.

(probability, statistics) A measure used to quantify the similarity between two probability distributions.

(mathematics) A special case of the Kolmogorov integral, used to define the Hellinger distance in probability theory.

The (formerly the 51st Street Theatre and the Hollywood Theatre) a church building at 237 West 51st Street in the Midtown Manhattan neighborhood of New York City, which formerly operated as a cinema and Broadway theater.