| Bayu Sutha | |
| Fullname: | I Gusti Ngurah Agung Bayu Sutha |
| Height: | 1.80NaN0 |
| Birth Date: | 1977 5, df=yes |
| Birth Place: | Gianyar, Indonesia |
| Years1: | 1997–1999 |
| Years2: | 1999–2003 |
| Years3: | 2004 |
| Years4: | 2005–2006 |
| Years5: | 2007 |
| Years6: | 2008–2009 |
| Years7: | 2009–2010 |
| Years8: | 2010–2012 |
| Clubs1: | Perseden Denpasar |
| Clubs2: | Persegi Gianyar |
| Clubs3: | Pelita Krakatau Steel |
| Clubs4: | Persema Malang |
| Clubs5: | Persib Bandung |
| Clubs6: | Deltras Sidoarjo |
| Clubs7: | Persiram Raja Ampat |
| Clubs8: | Mitra Kukar |
| Nationalyears1: | 2006–2007 |
| Nationalteam1: | Indonesia |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 1 |
| Position: | Defender |
I Gusti Ngurah Bayu Sutha (born 28 May 1977 in Gianyar, Bali) is an Indonesian former footballer. He normally plays as a defender for the Indonesia national football team, normally people call him Bayu or Bayu Sutha. In the Asian Cup 2007 he was just used as a reserve player if another player from the starting squad was injured, especially if they were a defensive player.
His parents' names are I Gusti Ngurah Bagus (father) and Ni Gusti Ayu Rai Puspawati (mother). He is currently the only Balinese to represent Indonesia national team. His idol is Paolo Maldini and his favourite music is pop.Bayu Sutha was born into an artist family and he has artistic talent like his brothers. His parents wanted him to be an artist, but he often escaped and choose playing football.