Björgvin Helgi Halldórsson (Alternate names: Bo Halldorsson, Björgvin Halldórsson or Bo Hall) (born 16 April 1951) is an Icelandic pop singer from Hafnarfjörður.He represented Iceland in the Eurovision Song Contest 1995 with the song Núna (English: Now), ranked 15th place with 31 points. Björgvin performed with Sigrún Hjálmtýsdóttir, amongst others, and released several solo albums. Björgvin took part in several TV shows.