In the current experimental research, electrohydrodynamic (EHD) assisted condensation heat transfer of R-11 on a horizontal cylinder is studied for two different cases of circular and elliptical cross sections. Experiments are carried out for different various tilting angles of the elliptical cylinder. Furthermore, effects the involving parameters such as electric voltage, electrode-cylinder distance, and imposed evaporative heat flux are investigated. A separate set of complementary experiments is also conducted to visualize the EHD influence on instability of the condensate liquid surface. The electric field effects are shown to start at a specific voltage depending on the electrode-cylinder distance. Passing the onset of EHD initiation point, slight increase of the condensation heat transfer at low voltages is followed by a significant rise at elevated voltages until the electric discharge takes place. It is shown that increasing the electrode-cylinder distance causes the reduction of the heat transfer rate due to the weakened electric field. However, it delays the electric discharge and thus extends the maximum possible heat transfer enhancement. Results also indicate that the condensation heat transfer on the elliptical cylinder inversely depends on the angle between the minor diameter and horizontal direction. The elliptical cylinder generally facilitates the separation and falling of the condensate film thus leads to a maximum of 24% higher heat transfer enhancement compared to the circular cylinder. Moreover, visual observations of the condensation process reveal that thinning and disturbance of the liquid condensate film change of the film to pseudo-dropwise condensation are the two main possible mechanisms responsible for the heat transfer enhancement under the applied electric field. The maximum heat transfer enhancement values of 3.17 and 3.36 are obtained at electrode voltage of V = 24 kV, for circular and elliptical cylinders respectively.