Stone Cole Smartt (born October 4, 1998) is an American professional football tight end for the Philadelphia Eagles of the National Football League (NFL). He played college football for the Old Dominion Monarchs.
Smartt attended Del Oro High School in Loomis, California. During his high school career, he played the quarterback position, throwing for 3,021 yards from scrimmage with 29 touchdowns. He took his team in 2015-16 to a Division II-AA State title championship by beating Camarillo (16-13). In 2016-17 he led Del Oro to a Division 1-A state championship game against San Clemente. Smartt was also an established point guard for the Del Oro boys basketball team. He committed to Northern Arizona University to play college football in 2017.
As a true freshman at NAU in 2017, Smartt played in just 2 games. He transferred to Riverside City in 2018, where he played in 12 games and completed 177 out of 277 for 2,754 yards and 31 touchdowns. He rushed for 583 yards and nine touchdowns, and led California JUCO quarterbacks in passing efficiency.
Smartt was named a First-Team JUCO All-American, earned SoCal Regional Playoff MVP, SCFA Offensive Player of the Year and California State Offensive Player of the Year. He broke school record for most completions in a season, highest completion percentage, most passing yards in a season and career, and most touchdown passes in a quarter. He won the NJCAA Athletic Bureau Offensive Player of the Year. In 2019, he transferred to Old Dominion. He moved from quarterback to wide receiver in 2021.
Smartt signed with the Los Angeles Chargers after going undrafted in the 2022 NFL draft. In his three years with the Chargers, Smartt was third on the depth chart as a backup tight end and special teamer.
On March 17, 2025, Smartt signed with the New York Jets.
On March 23, 2026, Smartt signed with the Philadelphia Eagles.
Smartt is of Taiwanese descent through his grandmother, who was born there.