Yes. A 401-K account is a retirement account and the contributions you make count as retirement contributions. If the contributions should be listed on your W-2 form so do not enter them again.
You may qualify for a retirement savings contribution credit. Please view the information below to see if you might qualify to claim this credit.TurboTax will automatically calculate this credit for you if you qualify. See What Is The Savers Credit? and the FAQ below for more details.