Jorma Ludwik Kaukonen, Jr.  born December 23, 1940) is an American blues, folk, and rock guitarist. Kaukonen performed with Jefferson Airplane and still performs regularly on tour with Hot Tuna, which started as a side project with bassist Jack Casady, and as of early 2019 has continued for 50 years. Rolling Stone magazine ranked him No. 54 on its list of 100 Greatest Guitarists. He was inducted into the Rock and Roll Hall of Fame in 1996 as a member of Jefferson Airplane.

Jorma Kaukonen was born in Washington, D.C. to Beatrice Love (née Levine) and Jorma Ludwik Kaukonen, Sr. He had Finnish paternal grandparents and Russian Jewish ancestry on his mother’s side. He is the older brother of Peter Kaukonen, who is also a musician. During his childhood, the Kaukonen family lived in Pakistan, the Philippines, and other locales as they followed his father’s State Department career from assignment to assignment before returning to the place of his birth. As a teenager in Washington, he and friend Jack Casady formed a band called The Triumphs, with Kaukonen on rhythm guitar and Casady on lead.