diff --git a/gdn-cli/src/commands/repo.rs b/gdn-cli/src/commands/repo.rs
index f3689ad..c39042a 100644
--- a/gdn-cli/src/commands/repo.rs
+++ b/gdn-cli/src/commands/repo.rs
@@ -2,6 +2,7 @@ mod add;
 mod info;
 mod list;
 mod remove;
+mod rename;
 mod select;
 
 use clap::Parser;
@@ -25,6 +26,9 @@ pub enum Command {
     #[command(visible_alias = "a")]
     Add(add::Command),
 
+    #[command(visible_alias = "rn")]
+    Rename(rename::Command),
+
     #[command(visible_alias = "r")]
     Remove(remove::Command),
 }
@@ -36,6 +40,7 @@ impl Command {
             Self::Info(command) => command.run(env),
             Self::Select(command) => command.run(env),
             Self::Add(command) => command.run(env),
+            Self::Rename(command) => command.run(env),
             Self::Remove(command) => command.run(env),
         }
     }
diff --git a/gdn-cli/src/commands/repo/rename.rs b/gdn-cli/src/commands/repo/rename.rs
new file mode 100644
index 0000000..66dbfbc
--- /dev/null
+++ b/gdn-cli/src/commands/repo/rename.rs
@@ -0,0 +1,24 @@
+use clap::Parser;
+
+use crate::Environment;
+
+/// Rename an existing repository.
+#[derive(Debug, Parser)]
+pub struct Command {
+    repo: String,
+    name: String,
+}
+
+impl Command {
+    pub fn run(self, env: &Environment) -> anyhow::Result<()> {
+        let data = gdn::data::open_and_migrate(env.data_dir.clone())?;
+        let state = gdn::data::load_state(&data)?;
+        let Some(id) = state.resolve_repo_identifier(&self.repo) else {
+            println!("No repo found for identifier {}.", self.repo);
+            return Ok(());
+        };
+        gdn::data::rename_repo(&data, id, self.name.clone())?;
+        println!("Renamed repo {} ({id}) to {}.", self.repo, self.name);
+        Ok(())
+    }
+}
diff --git a/gdn/src/data.rs b/gdn/src/data.rs
index 1e8feed..6a1149f 100644
--- a/gdn/src/data.rs
+++ b/gdn/src/data.rs
@@ -13,8 +13,8 @@ pub use crate::repo::VERSION as REPO_VERSION;
 pub use self::{
     datadir::{LockedDataDir, UnlockedDataDir},
     v1::{
-        State, VERSION, add_repo, load_repo, load_repo_version, load_state, remove_repo, save_repo,
-        select_repo, tidy,
+        State, VERSION, add_repo, load_repo, load_repo_version, load_state, remove_repo,
+        rename_repo, save_repo, select_repo, tidy,
     },
 };
 
diff --git a/gdn/src/data/v1.rs b/gdn/src/data/v1.rs
index 190df5f..ca4c873 100644
--- a/gdn/src/data/v1.rs
+++ b/gdn/src/data/v1.rs
@@ -111,7 +111,7 @@ pub fn remove_repo(dir: &LockedDataDir, id: RepoId) -> anyhow::Result<()> {
     Ok(())
 }
 
-pub fn set_repo_name(dir: &LockedDataDir, id: RepoId, name: String) -> anyhow::Result<()> {
+pub fn rename_repo(dir: &LockedDataDir, id: RepoId, name: String) -> anyhow::Result<()> {
     let mut state = load_state(dir)?;
     *state
         .repos