Bonit Wiryawan Sugiharto (born 10 February 1968) is a former professional tennis player from Indonesia.

[citation needed] He represented Indonesia at the 1992 Summer Olympics in Barcelona, partnering Hary Suharyadi in the doubles competition, where they beat a Korean pair in the first round, before losing in the second round to the eventual bronze medalists from Croatia.

[2] In both 1994 and 1995 he appeared in the singles main draw of the Jakarta Open ATP Tour tournament, losing to world number seven Michael Chang in the former.

[citation needed] During his 16-year Davis Cup career he featured in 29 ties for Indonesia, the last in 2007 as a 39 year old.

He retired from Davis Cup competition as Indonesia's most successful doubles player in history, with 16 wins.