No special reason, just the way it was designed.
President Lincoln.
The face of President Abraham Lincoln is on the US penny.
President Abraham Lincoln
The head is to the right.
The person who created that penny used a portrait for Lincoln for the penny and in that picture, Lincoln is seen facing the right so yeah.
President Theodore Roosevelt wanted a coin to honor Lincoln's centennial.
Abraham Lincoln, 16th president of the United States.
Lincoln Penny
The Lincoln penny of 1909 was the first US coin with a president's face on it.
He was the only president to be assassinated.
The Penny
Abraham Lincoln