Look up Seth or sheth in Wiktionary, the free dictionary.

Seth was the third son of Adam and Eve in the Bible.

Seth may also refer to:

• Strong exponential time hypothesis
• Seth (given name)
• Seth (surname)
• Seth (cartoonist)
• Seth, Germany
• Seth Material, a collection of writings allegedly from "Seth" a disembodied entity channeled by Jane Roberts
• Set (deity), also known as Seth
• Seth (band), a French Black metal band; see Originators of the Northern Darkness – A Tribute to Mayhem
• Cyclone Seth (2021), a weak tropical cyclone that made landfall on Australia