I am pretty sure it's Sacajawea, but I'm not sure.
What year? be more specific please. post new question.
That depends on which dollar coin you mean, 4 different series are in circulation today.
Currently John Kennedy id on the US half dollar.
Below is a picture of a Morgan dollar coin.
$1 coins minted from 1971 to 1978 carried a picture of President Eisenhower
Type in 1795 dollar in the search box on your browser and click Images.
That depends on which dollar coin you mean, 4 different series are in circulation today.
In the year 2000, the US created a 1 dollar coin with a picture of Sacajawea.
Currently John Kennedy id on the US half dollar.
Susan B. Anthony, thus the coin is name the Susan B. Anthony dollar.
See link to Australian one-dollar coin
Below is a picture of a Morgan dollar coin.
$1 coins minted from 1971 to 1978 carried a picture of President Eisenhower
Type in 1795 dollar in the search box on your browser and click Images.
Jimmy Carter's picture has never appeared on a US $1 coin. His picture will appear on a future Presidential dollar if he is no longer living at the time the coin is scheduled to appear; otherwise the coin won't be minted unless Congress passes an exception to the law that prevents living presidents from being depicted on US coins.
bush and clinton
No US dollar coins were struck in 1963, look at the coin again and post new questionIf your coin has a picture of Benjamin Franklin on the front, turn it over and check the denomination. It should be a halfdollar.
No US $1 coins were minted between 1936 and 1970 inclusive. If your coin has a picture of Miss Liberty and the sun on its front, please turn the coin over; you'll find it's a half dollar. If so, there's more information at the question "What is the value of a 1936 US half dollar?"