Speedo may refer to:
Speedo International Limited, a swimsuit manufacturer Swim briefs, sometimes referred to as "Speedos" regardless of the manufacturer Bitstream Speedo Fonts, a typeface "Speedoo", 1955 song recorded by The Cadillacs, also known as "Speedo" Earl Carroll (vocalist) (1937–2012), also known as "Speedo" Gary Speed (1969–2011), Welsh footballer and manager, nicknamed "Speedo" Ryan Speedo Green (born 1986), American bass-baritone opera singer Mackerel scad, a wide-ranging species of scad
See also Speedometer, the speed gauge in motor vehicles