Shannyn \sh(a)-nn-yn\ as a girl's name is related to Shannon.

The baby name Shannyn sounds like Shannin, Shannen and Shannan. Other similar baby names are Shannel, Shannae, Shanay, Shandon, Shannah, Shanna, Shannea, Shandy, Shaney, Shanon, Sharyn, Shaylyn and Shailyn.