"This year [entering foreign loans markets] is unlikely, maybe next year," Siluanov told journalists.
"The sanctions do not exclude the participation of foreign investors in the Russian economy, they won't exclude the foreign investors buying our bonds with great pleasure, the sanctions don't exclude such a possibility," Siluanov added.
The West has imposed several rounds of economic sanctions on Russia, accusing Moscow of fueling the internal Ukrainian conflict. Russia has repeatedly denied the allegations.
The sanctions target Russia's banking, energy and defense sectors, as well as certain individuals.
On Wednesday, a source close to the EU leadership told RIA Novosti, that a formal decision on extending European Union sanctions against Russia until the end of January 2016 will be made when the bloc’s foreign ministers meet next week.