Bisa ga kamus da yawa, Silvanus (wanda kuma aka rubuta Sylvanus) sunan namiji ne da aka ba da sunan asalin Latin, wanda aka samo daga kalmar Latin "silva" ma'ana "daji." A cikin tatsuniyar Romawa, Silvanus shine allahn daji kuma mai kare bishiyoyi da namun daji. A matsayin suna, ya shahara a tsohuwar Roma kuma ana ci gaba da amfani da shi a yau.
