4D is a solo album by American jazz pianist Matthew Shipp, which was recorded in 2009 and released on Thirsty Ear's Blue Series.

In his review for AllMusic, Thom Jurek states "On 4D, Shipp nods to history with keen depth perception and articulates his new directions gracefully.

"[1] The All About Jazz review by John Sharpe notes that "Shipp features standards and popular songs alongside his own compositions, with some recognizable straight away but others treated so obliquely as to be unrecognizable.

"[2]