  We discuss rare meson decays $K^ + \to \pi ^ - \ell ^ + \ell '^ + $ and $D^ +
\to K^ - \ell ^ + \ell '^ +$ ($\ell, \ell'=e, \mu$) in a supersymmetric
extension of the Standard Model with R-parity violation. Estimates of the
branching ratios for these decays are presented.

High Energy Physics - Phenomenology