Ian rhymes with:
achaean, aegean, asean, boolean, breon, cyclopean, eon, epicurean, eritrean, european, feehan, fujian, galilean, heon, indo-european, jacobean, jian, keehan, korean, maccabean, mcgeean, mckeon, mckeone, meehan, mycenaean, paean, peon, plebeian, protean, rijn, shahian, sheahan, sheehan, sofian, teahan, teehan, tennessean, theon, treon, vannguyen, vian
Ian sounds like:
i'm, iain, ianni, iannone, ihnen, im, imai, imam, iman, imm, immu, immune, immuno, imo, in, in., ina, inane, inhuman, inhumane, inman, inmon, inn, inno, inoue, inouye, iny, ion, iona, ione, iowan, iwan, iwen