Giovanni de Riu (10 March 1925 – 11 December 2008)<!-- See discussion of how Gianni and Giovanni de Riu are the same here: http://forums.atlasf1.com/lofiversion/index.php/t75479.html--> was a racing driver from Italy. He failed to qualify for the 1954 Italian Grand Prix, with a privately entered Maserati.
Complete Formula One World Championship results
(key)
{| class="wikitable" style="text-align:center; font-size:90%"
|-
! Year
! Entrant
! Chassis
! Engine
! 1
! 2
! 3
! 4
! 5
! 6
! 7
! 8
! 9
! WDC
! Points
|-
| 1954
! Giovanni de Riu
! Maserati A6GCM/250F
! Maserati Straight-6
| ARG
| 500
| BEL
| FRA
| GBR
| GER
| SUI
|style="background:#ffcfcf;"| ITA<br />
| ESP<br><small>DNA</small>
! NC
! 0
|-
!colspan="15"|
|}