Ernst Klodwig (23 May 1903 – 15 April 1973) was an East German racing driver. He participated in two Formula One World Championship Grands Prix, driving privately run BMWs with different engines. He was classified in both races with a best finish of 12th.
thumb|left|Ernst Klodwig's home-built Formula 2 car, which he used in the 1952 and 1953 German Grands Prix
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
|-
| 1952
! Ernst Klodwig
! Heck Eigenbau
! BMW 328 2.0 L6
| SUI
| 500
| BEL
| FRA
| GBR
|style="background:#CFCFFF;"| GER<br />
| NED
| ITA
|
! NC
! 0
|-
| 1953
! Ernst Klodwig
! Heck Eigenbau
! BMW 328 2.0 L6
| ARG
| 500
| NED
| BEL
| FRA
| GBR
|style="background:#CFCFFF;"| GER<br />
| SUI
| ITA
! NC
! 0
|}