diff --git a/tmuxp/cli/freeze.py b/tmuxp/cli/freeze.py
index 343228873c7..54afda87868 100644
--- a/tmuxp/cli/freeze.py
+++ b/tmuxp/cli/freeze.py
@@ -12,8 +12,16 @@
 from .utils import _validate_choices, get_abs_path, get_config_dir
 
 
+def session_completion(ctx, params, incomplete):
+    t = Server()
+    choices = [session.name for session in t.list_sessions()]
+    return sorted([str(c) for c in choices if str(c).startswith(incomplete)])
+
+
 @click.command(name="freeze")
-@click.argument("session_name", nargs=1, required=False)
+@click.argument(
+    "session_name", nargs=1, required=False, shell_complete=session_completion
+)
 @click.option("-S", "socket_path", help="pass-through for tmux -S")
 @click.option("-L", "socket_name", help="pass-through for tmux -L")
 @click.option(
diff --git a/tmuxp/cli/load.py b/tmuxp/cli/load.py
index d159c63d1a6..1e8149edb70 100644
--- a/tmuxp/cli/load.py
+++ b/tmuxp/cli/load.py
@@ -7,7 +7,9 @@
 import importlib
 import logging
 import os
+import pathlib
 import sys
+from typing import List
 
 import click
 import kaptan
@@ -17,7 +19,7 @@
 
 from .. import config, exc, log, util
 from ..workspacebuilder import WorkspaceBuilder
-from .utils import ConfigPath, _validate_choices, tmuxp_echo
+from .utils import ConfigPath, _validate_choices, get_config_dir, tmuxp_echo
 
 
 def set_layout_hook(session, hook_name):
@@ -438,9 +440,38 @@ def load_workspace(
     return _setup_plugins(builder)
 
 
+def config_file_completion(ctx, params, incomplete):
+    config_dir = pathlib.Path(get_config_dir())
+    choices: List[pathlib.Path] = []
+
+    # CWD Paths
+    choices += sorted(
+        [
+            pathlib.Path(os.path.relpath(p, pathlib.Path.cwd()))
+            for p in [pathlib.Path.cwd(), *pathlib.Path.cwd().parents]
+            if config.in_dir(str(p)) or len(list(p.glob(".tmuxp.*")))
+        ]
+    )
+    # CWD look one directory up
+    choices += [
+        pathlib.Path(f"./{os.path.relpath(p, pathlib.Path.cwd())}")
+        for p in pathlib.Path.cwd().glob("*/.tmuxp.*")
+    ]
+
+    # Project configs
+    choices += sorted([(config_dir / c).stem for c in config.in_dir(str(config_dir))])
+
+    return sorted([str(c) for c in choices if str(c).startswith(incomplete)])
+
+
 @click.command(name="load", short_help="Load tmuxp workspaces.")
 @click.pass_context
-@click.argument("config", type=ConfigPath(exists=True), nargs=-1)
+@click.argument(
+    "config",
+    type=ConfigPath(exists=True),
+    nargs=-1,
+    shell_complete=config_file_completion,
+)
 @click.option("-S", "socket_path", help="pass-through for tmux -S")
 @click.option("-L", "socket_name", help="pass-through for tmux -L")
 @click.option("-f", "tmux_config_file", help="pass-through for tmux -f")