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Motivated by the recent muon $g-2$ data, we study the lepton flavor violating$l \to l' \gamma$ and $Z \to l \bar l'$ ($l, l' = e, \mu, \tau$) decays with $l\neq l'$ in a scalar leptoquark model. Leptoquarks can produce sizable LFV$l\to l'\gamma$ decay rates that can be easily reached by present or nearfuture experiments. % Leptoquark masses and couplings are constrained by themuon $g-2$ data and the current $l \to l' \gamma$ bounds. We predict $Br(Z \to\tau^\mp e^\pm)$ reaching the present limit ($10^{-5}$) and $Br(Z \to \mu^\mp\tau^\pm)$ reaching $2\times 10^{-8}$, which will be accessible by futurelinear colliders, whereas, the current bounds on LFV impose very strongconstraints on the $Br(Z \to \mu^\mp e^\pm)$ and the ratio is too low to beobserved in the near future.

Lepton Flavor Violating $l \to l' \gamma$ and $Z \to l \bar l'$ Decays Induced by Scalar Leptoquarks