Atet Wijono (born 11 March 1951) is a former tennis player from Indonesia.

[2][3] From 1969 to 1982, Wijono was a regular fixture in the Indonesia Davis Cup team.

[4] He twice beat Indian Anand Amritraj and also had a win over Australian John Cooper.

[4] His overall Davis Cup record is 13/25, with eight singles wins and five doubles victories.

The Indonesian is also a Southeast Asian Games gold medalist.