Senator Rónán Mullen has topped the list of disclosed donations received by TDs, Senators and MEPs last year with €12,000.
Mr Mullen's disclosure of €12,000 comprised of 12 €1,000 donations.
Socialist MEP Paul Murphy disclosed €3,000 in donations, of three €1,000 donations. Fianna Fáil TD Niall Collins disclosed €1,000 as did Minister for European Affairs Paschal Donohoe.
SIPO's report also shows 14 Oireachtas members had not submitted full documentation to the commission by its deadline of 31 January.
Only donations valued at more than €600 require to be disclosed.
It is also prohibited to accept donations with a total value exceeding €1,000 from the same person in the same year.