Set the default font in inkscape
2015-01-13azim58 - Set the default font in inkscape
To set the default font in inkscape go to Text->Text and Font-> choose
your font and then click set as default (Inkscape may need to be
restarted for the change to take effect.
Instead of doing Text->Text and Font you could do Ctrl+Shift+T
see
https://answers.launchpad.net/inkscape/+question/47928