Jonah Lomu
He is a former New Zealand rugby player. He scored 6 tries in a game against Japan in the 1995 Rugby World Cup which is the world record for the most tries by an individual in an international rugby match.
Jonah Lomu - 15 tries over the '95 and '99 tournaments
What is the most tries Ireland have scored in an International match and against which Country?
Jonah Lomu and Bryan Habana both have 8 tries in A Rugby World Cup. According to me Jonah Lomu is the best rugby player of all time. I believe that 8 tries was his own.
36
Israel Dagg(5). Zac Guildford however scored 4 tries in one match, making him the All Black's top try scorer in one match in the 2011 world cup.
Anthony Horgan(41)
Sitiveni Sivivatu 2005 vs Fiji (his homeland, ironically) scored four tries on debut
Tim Vale- 2,000,001 points in 3 internationals
Doug Howlett has the record for tries for the All Blacks with 49.
Brian O'Driscoll, 21
Daisuke Ohata of Japan