Sealyham wani nau'i ne na ƙaramin ƙasa, mai ƙarfi wanda ya samo asali a Wales. Kalmar "Sealyham" tana kuma iya nufin Sealyham Terrier, wanda shine nau'in kare da Kyaftin John Edwardes na Sealy ya haɓaka a tsakiyar karni na 19.
