  We study the effects of non-universal extra dimensions on the decay widths of
the lepton flavor violating processes, $t\to c l_i^- l_j^+ $ and $H^0 \to h^0
(A^0) l_i^- l_j^+$ in the general two Higgs doublet model. We consider that the
extra dimensions are accessible to the standard model gauge fields and the new
Higgs doublet. We observe that the lepton flavor violating $H^0 \to h^0 (\tau^+
\mu^- + \tau^- \mu^+)$ and $H^0 \to A^0 (\tau^+ \mu^- + \tau^- \mu^+)$ Higgs
decays are sensitive to the extra dimensions, especially, in the case of two
spatial ones. This result may ensure a test to determine the compactification
scale and the possible number of extra dimensions, with the accurate
experimental measurements.
