Einar Grétar JÓHANNSSON (18 Jan 1955 - )
Jóhann Pétur JÓHANNSSON (20 May 1887 - 19 Nov 1960)
Jón Valgeir JÓHANNSSON (27 Aug 1889 - )
Karl JÓHANNSSON (1955 - )
Sigurdur Jónatan JÓHANNSSON (29 Sep 1938 - )
Siguróli JÓHANNSSON (8 May 1937 - )
Örn Leó JÓHANNSSON (1994 - )
Snær JÖKULSSON (ABT. 275 - )
JÓN ( - )
JÓN (ABT. 1385 - )
JÓN (ABT. 1160 - )
JÓNA ( - )
Ragnheidur JÓNASDÓTTIR ( - )
Gudrún JÓNATANSDÓTTIR (7 Jul 1909 - )
Gudrún JÓNATANSDÓTTIR (14 May 1845 - 23 Sep 1925)
Halla Sigurlín JÓNATANSDÓTTIR (19 Nov 1924 - )
Hólmfrídur JÓNATANSDÓTTIR (ABT. 1835 - )
Ingibjörg JÓNATANSDÓTTIR (ABT. 1838 - )
Isafold JÓNATANSDÓTTIR (21 Mar 1927 - )