WFAA-TV and KDFW-TV, Dallas, said the player turned himself in after a female family member was assaulted.
Dallas authorities said the alleged victim did not require hospitalization.
KDFW reported Bryant posted bond and was released.
The 23-year-old receiver confirmed to WFAA there had been an incident, but wouldn't comment further.
Bryant hauled in 63 passes for 928 yards, scoring nine TDs for the Cowboys last season.
Celebrity Families of 2014 [PHOTOS]