Kutcher, 36, posted the news on his website along with several pictures of babies asking viewers to guess which one was his daughter.
“Mila and I would like to welcome Wyatt Isabelle Kutcher to the world. May your life be filled with wonder, love, laughter, health, happiness, curiosity, and privacy,” he said, in a reference to photographers outside his California home.
“Now, can the helicopter please stop hovering over our house, there is a baby sleeping inside! And she’s super cute,” he added.
Kunis, 31, who gave birth on Tuesday, and Kutcher co-starred on “That ’70s Show.” Kutcher was previously married to actress Demi Moore. They divorced in 2013-Reuters