John Henry Mears (May 22, 1878 – July 26, 1956) was an American who made the record for the fastest trip around the world in both 1913 and 1928.

On July 2, 1913, he left New York City on the RMS Mauretania, then traveled by a combination of steamers, yachts, and trains to circumnavigate the Earth and reach New York City again on August 6, 1913.

He had an elapsed time of 35 days, 21 hours, 35 minutes, 18 and four-fifths seconds.

After the Graf Zeppelin broke his record in 1929, he made one last attempt in 1930.

[1] He died at Hollywood Presbyterian Hospital in Los Angeles on July 26, 1956.