Leith MSP Ben Macpherson spent his weekend cleaning a graffitied message from his constituency office door.
The politician took to Twitter to share an image of his office, showing that someone had scrawled "resign" twice on the front door.
The Edinburgh Northern and Leith MSP, who also serves in Nicola Sturgeon's government as rural affairs minister, said he would be spending Saturday afternoon cleaning the writing.
"I'm sad to say that my office has been vandalised & I'm spending this afternoon cleaning it off," he said.
"Offline & online, I think we all - political parties, the media, everyone - should try to engage in respectful dialogue, despite our disagreements, & dial it down a bit."
Fellow SNP MSPs James Dornan and Clare Haughey showed their support for the minister.
Mike Russell also supported his fellow minister: "This is what results from the type of atmosphere created in the last few months and needs to be rejected by all of us . It has no place in democratic politics."
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Tory MSP Jamie Halcro Johnston also added: "Sorry to see this, Ben. Whether we agree or disagree on certain issues, it's totally unacceptable that this kind of thing appears to being increasing.
"Politicians and their staff should not have to face it."
