Look up Widjaja in Wiktionary, the free dictionary.
Widjaja or Wijaya is a common Indonesian surname. It is one of the most common surnames in Indonesia. It may refer to
- Angelique Widjaja (born 1984), Indonesian tennis player
- Eka Tjipta Widjaja (1922–2019), Indonesian entrepreneur
- Elizabeth A. Widjaja (born 1951), Indonesian botanist
- Fuganto Widjaja, Indonesian billionaire
- Gloria Emanuelle Widjaja (born 1993), Indonesian badminton player
- Mieke Widjaja or Mieke Wijaya (born 1940), Indonesian actress
- Mira Widjaja (born 1951), Indonesian author
- Nani Widjaja (born 1943), Indonesian actress