Siaosi Taimani ʻAho (died 27 April 2018)[1] was a Tongan diplomat, civil servant, politician, and Cabinet minister.

[3] In 2001, he was appointed as Tonga's first Commissioner for Public Relations, with the task of investigating complaints about maladministration in government departments.

[1] In 2004 he asked for the Commissioner's office to have more powers to compel government agencies to release information.

[4] In 2004 he was appointed Attorney General of Tonga and Minister of Justice, replacing Baron Fielakepa who had been in the post for only a month.

[6] A cabinet reshuffle in 2006 saw him surrender his portfolios and become Minister of Police, Prisons and Fire Services instead.