The 2002 Siebel Open was a men's tennis tournament played on indoor hard courts at the HP Pavilion at San Jose in San Jose, California in the United States that was part of the International Series of the 2002 ATP Tour. It was the 114th edition of the tournament and was held from February 25 through March 3, 2002. First-seeded Lleyton Hewitt won the singles title.
See main article: 2002 Siebel Open – Singles. Lleyton Hewitt defeated Andre Agassi 4–6, 7–6(8–6), 7–6(7–4)
See main article: 2002 Siebel Open – Doubles. Wayne Black / Kevin Ullyett defeated John-Laffnie de Jager / Robbie Koenig 6–3, 4–6, [10–5]