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We discuss the breaking of $SO(3)$ down to finite family symmetries such as$A_4$, $S_4$ and $A_5$ using supersymmetric potentials for the first time. Weanalyse in detail the case of supersymmetric $A_4$ and its finite subgroups$Z_3$ and $Z_2$. We then propose a supersymmetric $A_4$ model of leptons alongthese lines, originating from $SO(3)\times U(1)$, which leads to aphenomenologically acceptable pattern of lepton mixing and masses oncesubleading corrections are taken into account. We also discuss thephenomenological consequences of having a gauged $SO(3)$, leading to massivegauge bosons, and show that all domain wall problems are resolved in thismodel.

Spontaneous breaking of $SO(3)$ to finite family symmetries with supersymmetry - an $A_4$ model