Sione Na'a Pangai Tovo (born 19 July 1988) is a former Tonga international rugby league footballer who plays as a prop for the Mascot Juniors RLFC in the A Grade South Sydney Juniors Rugby League .

He previously played for the Thirlmere Roosters in the Grade 6 competition, Auburn Warriors in the Bundaberg Red Cup and the Newcastle Knights in the NRL.

Tovo played from the bench in the clubs 26–14 victory at Marathon Stadium.

At the end of the 2010 NRL season, Tovo was released by the Newcastle side.

In 2009, Tovo was named in the Tongan squad for the 2009 Pacific Cup In 2017 he represented Niue vs Lebanon.