- Allen Millyard, Henry Cole
- 295.31 kilometre(s) per hour
- United Kingdom (Elvington)
The fastest speed on a tandem motorcycle is 295.31 km/h (183.50 mph), achieved by Allen Millyard and Henry Cole (both UK) at Elvington, North Yorkshire, UK, on 25 May 2023.
The pair achieved this using a one-off hand-made 8000cc Millyard Viper V10 motorcycle. The previous record of 291.98 km/h (181.42 mph) had not been broken in over 10 years.