Walter Ader (December 15, 1912 – November 25, 1982) was an American racing driver.
During his racing career, Ader was a resident of Bernardsville, New Jersey. After his retirement from racing, Ader worked as a member of the Bernardsville volunteer fire department.
World Drivers' Championship career
The AAA/USAC-sanctioned Indianapolis 500 was included in the FIA World Drivers' Championship from 1950 through 1960. Drivers competing at Indianapolis during those years were credited with World Drivers' Championship participation, and were eligible to score WDC points alongside those which they may have scored towards the AAA/USAC National Championship.
Ader participated in one World Drivers' Championship race at Indianapolis. He finished in 22nd place,
FIA World Drivers' Championship results
(key)
{| class="wikitable" style="text-align:center; font-size:90%"
! Year
! Entrant
! Chassis
! Engine
! 1
! 2
! 3
! 4
! 5
! 6
! 7
! WDC
! Points
|-
| 1950
! Sampson Manufacturing
! Rae
! Offenhauser L4
| GBR
| MON
|style="background:#cfcfff;"|500<br />
| SUI
| BEL
| FRA
| ITA
! NC
! 0
|}