Gretel Bueta (nee Tippett) (born 3 July 1993) is an Australian netball player.
Tippett played for the Australian Institute of Sport in the Women's National Basketball League during the 2010/2011 season. She played half the season with the Logan Thunder in the 2011/2012 season and was named Rookie of the Year for WNBL in 2011.
In March 2012, Tippett made the switch from Basketball to Netball, registering as a goal attack, goal shooter and wing attack. Tippett made her ANZ Championship debut in Round 5 of the 2014 ANZ Championship after signing with the NSW Swifts for the 2014 and 2015 seasons. At the end of the 2014 season, Tippett was released from her contract with the NSW Swifts a year early to return home to be closer to family, signing with the Queensland Firebirds for the 2015 and 2016 seasons. She was selected in the Australian Diamonds squad for the 2018/19 international season.