We calculate the ${W}_{R}$ contribution to the two-photon decay width of the light neutral Higgs boson ${H}_{1}^{0}$ in left-right-symmetric models. We find that this contribution is suppressed relative to the standard-model (SM) ${W}_{L}$ contribution by a factor ${(\frac{{M}_{L}}{{M}_{R}})}^{4}$. This result arises because the ${W}_{R}$ coupling to ${H}_{1}^{0}$ is not proportional to its own mass ${M}_{R}$, as a SM-like coupling would suggest, but rather to the lighter mass ${M}_{L}$. As a consequence, $\ensuremath{\Gamma}({H}_{1}^{0}\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma})$ in left-right-symmetric theories has essentially the same value as in the standard model.