Rand Miller (born January 17, 1959 in Philadelphia, Pennsylvania, U.S.) is CEO and co-founder of Cyan Worlds (originally Cyan). He and brother Robyn Miller became famous due to the success of their computer game Myst, which remained the number one-selling game from its release in 1993 until that record was surpassed by The Sims nearly a decade later. Rand also worked on the game's sequel, Riven, and later reprised his role as protagonist Atrus in Myst III: Exile, Myst IV: Revelation, Myst V: End of Ages, realMyst, and Uru. He also co-authored Myst novels The Book of Atrus, The Book of Ti'Ana, and The Book of D'ni.
He remains the CEO of Cyan Worlds.
Prior to the success of Myst, Rand and Robyn Miller released The Manhole, Spelunx, and Cosmic Osmo and the Worlds Beyond the Mackerel.
Miller, his brother, and the company they founded came to international prominence with the success of Myst in 1993 and its sequel Riven in 1997, both of which broke sales records.