2003

2003 (MMIII) mangrupa taun biasa nu dimimitian poé Rebo dina kalénder Gregori.

Januari - 28 Propinsi di Indonesia
Donald Knuth elected as a Fellow of the Royal Society.
 1. Hadiah Nobel

Hadiah Nobel 
Hadiah Nobel widang kimia:
Peter Agre, Roderick MacKinnon, pikeun papanggihanana ngeunaan kanal na mémbran sél

Élmu ékonomi:
Robert Engle jeung Clive Granger, for work on analysing economic time series.  - Statistika ékonomi