The Singapore Open can refer to several sporting events bearing the same name, or at least in part:

• Singapore Open (badminton)
• Singapore Open (bowling)
• Singapore Open (darts)
• Singapore Open (golf)
• Singapore Open (table tennis)
• The Singapore Open Scrabble Championship
• The Singapore Open (men's tennis), a men's tennis tournament held from 1989 to 1993 and again from 1996 to 1999
• 2021 Singapore Tennis Open
• The WTA Singapore Open, a women's tennis tournament held from 1986 to 1990 and again in 1994, and from 2025 onwards.