There's no direct translation for the name "Elaine" in Korean. Korean names often have specific meanings and structures, so you'd need to choose a Korean name that sounds similar or has a similar meaning if you wanted a Korean equivalent.
To use the name "Elaine" in Korean, you would simply romanize it: 엘레인 (ellein). This is how Koreans would read and write it using the Korean alphabet (Hangul).