The 2003 Nottingham Open (known for sponsorship reasons as the Samsung open) was a men's tennis tournament played on grass courts at the Nottingham Tennis Centre in Nottingham in the United Kingdom and was part of the International Series of the 2003 ATP Tour.

The tournament ran from 16 June through 22 June 2003.

Greg Rusedski won the singles title.

Greg Rusedski defeated Mardy Fish 6–3, 6–2 Bob Bryan / Mike Bryan defeated Joshua Eagle / Jared Palmer 7–6(7–3), 4–6, 7–6(7–4)