Ralph Alessi (born March 5, 1963) is an American jazz trumpeter, composer, and ECM recording artist. Alessi is known as a virtuosic performer whose critically-acclaimed projects include his Baida Quartet, with Jason Moran, Drew Gress, and Nasheet Waits, and This Against That, his quintet with Andy Milne, Gress, Mark Ferber, and Ravi Coltrane. Alessi has also recorded and performed with artists including Steve Coleman, Uri Caine, Fred Hersch, and Don Byron.