The 28-year-old Nigeria international is expected to leave Fratton Park this summer following the club's relegation to the Championship.
Utaka says he has options available but refused to state whether Gers had made their move for his services.
Walter Smith's side are playing UEFA Champions League football this season and Utaka is eager to play in Europe's premier club competition.
"I have a couple of offers now and I would love to play for Rangers in the Scottish League because it will give me the opportunity to showcase my talent in the Champions League," he told the Nigerian Tribune.
"It will give me the opportunity to show my detractors that I am not finished yet.
"Rangers is a good team that has won the title for the third time now, and I would love to associate myself with them."