Yes. According to Mirriam-Webster's dictionary, a Christian "professes a belief in Jesus Christ."
The name of the church is the Church of Jesus Christ of latter-day Saints, and we believe Jesus is the Son of God, Created the world, and then was born of the virgin Mary, lived a perfect life, suffered for our sins, and rose again the third day to take his place on the right hand of God as the judge of all of us.
The core claim of Mormonism is that we are the re-established original Christian church, so all our efforts are to model our beliefs and our actions after Christ's teachings.
To even ask the question of a faith whose beliefs are so deeply ingrained in the life, teachings, and atonement of Jesus Christ often suggests the person asking the question either doesn't know the most basic elements of the Mormon faith, such as the name of the church or the contents of the core scripture of the faith--the Bible--or has an intent to deceive others by raising the issue.
More about the background on this, why others might ask this question and a detailed explanation for what exactly Mormons believe about Christ will follow.
